Home / 118,327.30-177,452.64-39,423.10

Finding the Fourth Proportional to 118,327.30, 177,452.64 and 39,423.10

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Solution

The fourth proportional to 118,327.30, 177,452.64 and 39,423.10 is: 59,121.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,327.30 : 177,452.64 = 39,423.10 : x
  2. Step 2: Convert to fraction form
    118,327.30/177,452.64 = 39,423.10/x
  3. Step 3: Cross multiply
    118,327.30x = 177,452.64 × 39,423.10
  4. Step 4: Simplify right side
    118,327.30x = 6,995,733,171.98
  5. Step 5: Solve for x
    x = 6,995,733,171.98/118,327.30
  6. Step 6: Final answer
    x = 59,121.89

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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.