Home / 149,531.20-224,390.17-99,646.30

Finding the Fourth Proportional to 149,531.20, 224,390.17 and 99,646.30

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Solution

The fourth proportional to 149,531.20, 224,390.17 and 99,646.30 is: 149,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,531.20 : 224,390.17 = 99,646.30 : x
  2. Step 2: Convert to fraction form
    149,531.20/224,390.17 = 99,646.30/x
  3. Step 3: Cross multiply
    149,531.20x = 224,390.17 × 99,646.30
  4. Step 4: Simplify right side
    149,531.20x = 22,359,650,882.17
  5. Step 5: Solve for x
    x = 22,359,650,882.17/149,531.20
  6. Step 6: Final answer
    x = 149,531.67

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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.