Home / 177,430.30-266,145.45-117,555.10

Finding the Fourth Proportional to 177,430.30, 266,145.45 and 117,555.10

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Solution

The fourth proportional to 177,430.30, 266,145.45 and 117,555.10 is: 176,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,430.30 : 266,145.45 = 117,555.10 : x
  2. Step 2: Convert to fraction form
    177,430.30/266,145.45 = 117,555.10/x
  3. Step 3: Cross multiply
    177,430.30x = 266,145.45 × 117,555.10
  4. Step 4: Simplify right side
    177,430.30x = 31,286,754,989.30
  5. Step 5: Solve for x
    x = 31,286,754,989.30/177,430.30
  6. Step 6: Final answer
    x = 176,332.65

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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.