Home / 155,025.16-232,562.10-66,279.13

Finding the Fourth Proportional to 155,025.16, 232,562.10 and 66,279.13

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Solution

The fourth proportional to 155,025.16, 232,562.10 and 66,279.13 is: 99,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,025.16 : 232,562.10 = 66,279.13 : x
  2. Step 2: Convert to fraction form
    155,025.16/232,562.10 = 66,279.13/x
  3. Step 3: Cross multiply
    155,025.16x = 232,562.10 × 66,279.13
  4. Step 4: Simplify right side
    155,025.16x = 15,414,013,658.97
  5. Step 5: Solve for x
    x = 15,414,013,658.97/155,025.16
  6. Step 6: Final answer
    x = 99,429.11

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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.