Home / 188,470.17-260,084.43-102,427.11

Finding the Fourth Proportional to 188,470.17, 260,084.43 and 102,427.11

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Solution

The fourth proportional to 188,470.17, 260,084.43 and 102,427.11 is: 141,347.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,470.17 : 260,084.43 = 102,427.11 : x
  2. Step 2: Convert to fraction form
    188,470.17/260,084.43 = 102,427.11/x
  3. Step 3: Cross multiply
    188,470.17x = 260,084.43 × 102,427.11
  4. Step 4: Simplify right side
    188,470.17x = 26,639,696,520.90
  5. Step 5: Solve for x
    x = 26,639,696,520.90/188,470.17
  6. Step 6: Final answer
    x = 141,347.02

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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.