Home / 134,114.52-201,217.68-84,134.28

Finding the Fourth Proportional to 134,114.52, 201,217.68 and 84,134.28

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Solution

The fourth proportional to 134,114.52, 201,217.68 and 84,134.28 is: 126,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.52 : 201,217.68 = 84,134.28 : x
  2. Step 2: Convert to fraction form
    134,114.52/201,217.68 = 84,134.28/x
  3. Step 3: Cross multiply
    134,114.52x = 201,217.68 × 84,134.28
  4. Step 4: Simplify right side
    134,114.52x = 16,929,304,630.07
  5. Step 5: Solve for x
    x = 16,929,304,630.07/134,114.52
  6. Step 6: Final answer
    x = 126,230.21

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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.