Home / 186,287.46-257,070.15-101,402.70

Finding the Fourth Proportional to 186,287.46, 257,070.15 and 101,402.70

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Solution

The fourth proportional to 186,287.46, 257,070.15 and 101,402.70 is: 139,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,287.46 : 257,070.15 = 101,402.70 : x
  2. Step 2: Convert to fraction form
    186,287.46/257,070.15 = 101,402.70/x
  3. Step 3: Cross multiply
    186,287.46x = 257,070.15 × 101,402.70
  4. Step 4: Simplify right side
    186,287.46x = 26,067,607,299.41
  5. Step 5: Solve for x
    x = 26,067,607,299.41/186,287.46
  6. Step 6: Final answer
    x = 139,932.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.