Home / 457,514.28-686,363.02-158,005.80

Finding the Fourth Proportional to 457,514.28, 686,363.02 and 158,005.80

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Solution

The fourth proportional to 457,514.28, 686,363.02 and 158,005.80 is: 237,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,514.28 : 686,363.02 = 158,005.80 : x
  2. Step 2: Convert to fraction form
    457,514.28/686,363.02 = 158,005.80/x
  3. Step 3: Cross multiply
    457,514.28x = 686,363.02 × 158,005.80
  4. Step 4: Simplify right side
    457,514.28x = 108,449,338,065.52
  5. Step 5: Solve for x
    x = 108,449,338,065.52/457,514.28
  6. Step 6: Final answer
    x = 237,040.33

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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.