Home / 107,203.47-147,892.28-66,927.17

Finding the Fourth Proportional to 107,203.47, 147,892.28 and 66,927.17

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Solution

The fourth proportional to 107,203.47, 147,892.28 and 66,927.17 is: 92,329.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,203.47 : 147,892.28 = 66,927.17 : x
  2. Step 2: Convert to fraction form
    107,203.47/147,892.28 = 66,927.17/x
  3. Step 3: Cross multiply
    107,203.47x = 147,892.28 × 66,927.17
  4. Step 4: Simplify right side
    107,203.47x = 9,898,010,691.15
  5. Step 5: Solve for x
    x = 9,898,010,691.15/107,203.47
  6. Step 6: Final answer
    x = 92,329.20

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1.5x scale

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.