Home / 149,678.18-224,546.84-54,909.24

Finding the Fourth Proportional to 149,678.18, 224,546.84 and 54,909.24

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Solution

The fourth proportional to 149,678.18, 224,546.84 and 54,909.24 is: 82,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,678.18 : 224,546.84 = 54,909.24 : x
  2. Step 2: Convert to fraction form
    149,678.18/224,546.84 = 54,909.24/x
  3. Step 3: Cross multiply
    149,678.18x = 224,546.84 × 54,909.24
  4. Step 4: Simplify right side
    149,678.18x = 12,329,696,328.80
  5. Step 5: Solve for x
    x = 12,329,696,328.80/149,678.18
  6. Step 6: Final answer
    x = 82,374.71

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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.