Home / 118,872.24-178,306.56-28,915.80

Finding the Fourth Proportional to 118,872.24, 178,306.56 and 28,915.80

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Solution

The fourth proportional to 118,872.24, 178,306.56 and 28,915.80 is: 43,373.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,872.24 : 178,306.56 = 28,915.80 : x
  2. Step 2: Convert to fraction form
    118,872.24/178,306.56 = 28,915.80/x
  3. Step 3: Cross multiply
    118,872.24x = 178,306.56 × 28,915.80
  4. Step 4: Simplify right side
    118,872.24x = 5,155,876,827.65
  5. Step 5: Solve for x
    x = 5,155,876,827.65/118,872.24
  6. Step 6: Final answer
    x = 43,373.26

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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.