Home / 177,354.10-266,031.15-155,210.73

Finding the Fourth Proportional to 177,354.10, 266,031.15 and 155,210.73

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Solution

The fourth proportional to 177,354.10, 266,031.15 and 155,210.73 is: 232,816.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,354.10 : 266,031.15 = 155,210.73 : x
  2. Step 2: Convert to fraction form
    177,354.10/266,031.15 = 155,210.73/x
  3. Step 3: Cross multiply
    177,354.10x = 266,031.15 × 155,210.73
  4. Step 4: Simplify right side
    177,354.10x = 41,290,888,994.24
  5. Step 5: Solve for x
    x = 41,290,888,994.24/177,354.10
  6. Step 6: Final answer
    x = 232,816.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.