Home / 283,932.52-391,825.28-156,607.80

Finding the Fourth Proportional to 283,932.52, 391,825.28 and 156,607.80

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Solution

The fourth proportional to 283,932.52, 391,825.28 and 156,607.80 is: 216,117.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,932.52 : 391,825.28 = 156,607.80 : x
  2. Step 2: Convert to fraction form
    283,932.52/391,825.28 = 156,607.80/x
  3. Step 3: Cross multiply
    283,932.52x = 391,825.28 × 156,607.80
  4. Step 4: Simplify right side
    283,932.52x = 61,362,895,085.18
  5. Step 5: Solve for x
    x = 61,362,895,085.18/283,932.52
  6. Step 6: Final answer
    x = 216,117.88

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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.