Home / 134,440.50-201,646.78-84,372.17

Finding the Fourth Proportional to 134,440.50, 201,646.78 and 84,372.17

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Solution

The fourth proportional to 134,440.50, 201,646.78 and 84,372.17 is: 126,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.50 : 201,646.78 = 84,372.17 : x
  2. Step 2: Convert to fraction form
    134,440.50/201,646.78 = 84,372.17/x
  3. Step 3: Cross multiply
    134,440.50x = 201,646.78 × 84,372.17
  4. Step 4: Simplify right side
    134,440.50x = 17,013,376,695.30
  5. Step 5: Solve for x
    x = 17,013,376,695.30/134,440.50
  6. Step 6: Final answer
    x = 126,549.49

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1.5x scale

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.