Home / 149,822.60-224,733.90-79,838.60

Finding the Fourth Proportional to 149,822.60, 224,733.90 and 79,838.60

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Solution

The fourth proportional to 149,822.60, 224,733.90 and 79,838.60 is: 119,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,822.60 : 224,733.90 = 79,838.60 : x
  2. Step 2: Convert to fraction form
    149,822.60/224,733.90 = 79,838.60/x
  3. Step 3: Cross multiply
    149,822.60x = 224,733.90 × 79,838.60
  4. Step 4: Simplify right side
    149,822.60x = 17,942,439,948.54
  5. Step 5: Solve for x
    x = 17,942,439,948.54/149,822.60
  6. Step 6: Final answer
    x = 119,757.90

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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.