Home / 149,404.32-224,077.68-68,330.88

Finding the Fourth Proportional to 149,404.32, 224,077.68 and 68,330.88

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Solution

The fourth proportional to 149,404.32, 224,077.68 and 68,330.88 is: 102,483.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,404.32 : 224,077.68 = 68,330.88 : x
  2. Step 2: Convert to fraction form
    149,404.32/224,077.68 = 68,330.88/x
  3. Step 3: Cross multiply
    149,404.32x = 224,077.68 × 68,330.88
  4. Step 4: Simplify right side
    149,404.32x = 15,311,425,062.76
  5. Step 5: Solve for x
    x = 15,311,425,062.76/149,404.32
  6. Step 6: Final answer
    x = 102,483.15

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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.