Home / 266,972.97-368,404.19-152,256.47

Finding the Fourth Proportional to 266,972.97, 368,404.19 and 152,256.47

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Solution

The fourth proportional to 266,972.97, 368,404.19 and 152,256.47 is: 210,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,972.97 : 368,404.19 = 152,256.47 : x
  2. Step 2: Convert to fraction form
    266,972.97/368,404.19 = 152,256.47/x
  3. Step 3: Cross multiply
    266,972.97x = 368,404.19 × 152,256.47
  4. Step 4: Simplify right side
    266,972.97x = 56,091,919,470.27
  5. Step 5: Solve for x
    x = 56,091,919,470.27/266,972.97
  6. Step 6: Final answer
    x = 210,103.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.