Home / 175,312.20-263,141.10-86,665.80

Finding the Fourth Proportional to 175,312.20, 263,141.10 and 86,665.80

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Solution

The fourth proportional to 175,312.20, 263,141.10 and 86,665.80 is: 130,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,312.20 : 263,141.10 = 86,665.80 : x
  2. Step 2: Convert to fraction form
    175,312.20/263,141.10 = 86,665.80/x
  3. Step 3: Cross multiply
    175,312.20x = 263,141.10 × 86,665.80
  4. Step 4: Simplify right side
    175,312.20x = 22,805,333,944.38
  5. Step 5: Solve for x
    x = 22,805,333,944.38/175,312.20
  6. Step 6: Final answer
    x = 130,084.12

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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.