Home / 141,713.20-212,580.78-57,433.24

Finding the Fourth Proportional to 141,713.20, 212,580.78 and 57,433.24

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Solution

The fourth proportional to 141,713.20, 212,580.78 and 57,433.24 is: 86,154.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.20 : 212,580.78 = 57,433.24 : x
  2. Step 2: Convert to fraction form
    141,713.20/212,580.78 = 57,433.24/x
  3. Step 3: Cross multiply
    141,713.20x = 212,580.78 × 57,433.24
  4. Step 4: Simplify right side
    141,713.20x = 12,209,202,957.13
  5. Step 5: Solve for x
    x = 12,209,202,957.13/141,713.20
  6. Step 6: Final answer
    x = 86,154.31

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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.