Home / 149,616.88-224,423.52-86,531.92

Finding the Fourth Proportional to 149,616.88, 224,423.52 and 86,531.92

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Solution

The fourth proportional to 149,616.88, 224,423.52 and 86,531.92 is: 129,796.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,616.88 : 224,423.52 = 86,531.92 : x
  2. Step 2: Convert to fraction form
    149,616.88/224,423.52 = 86,531.92/x
  3. Step 3: Cross multiply
    149,616.88x = 224,423.52 × 86,531.92
  4. Step 4: Simplify right side
    149,616.88x = 19,419,798,078.76
  5. Step 5: Solve for x
    x = 19,419,798,078.76/149,616.88
  6. Step 6: Final answer
    x = 129,796.84

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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.