Home / 252,167.28-378,044.79-117,315.41

Finding the Fourth Proportional to 252,167.28, 378,044.79 and 117,315.41

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Solution

The fourth proportional to 252,167.28, 378,044.79 and 117,315.41 is: 175,877.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,167.28 : 378,044.79 = 117,315.41 : x
  2. Step 2: Convert to fraction form
    252,167.28/378,044.79 = 117,315.41/x
  3. Step 3: Cross multiply
    252,167.28x = 378,044.79 × 117,315.41
  4. Step 4: Simplify right side
    252,167.28x = 44,350,478,196.91
  5. Step 5: Solve for x
    x = 44,350,478,196.91/252,167.28
  6. Step 6: Final answer
    x = 175,877.21

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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.