Home / 283,983.30-391,885.02-156,656.16

Finding the Fourth Proportional to 283,983.30, 391,885.02 and 156,656.16

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Solution

The fourth proportional to 283,983.30, 391,885.02 and 156,656.16 is: 216,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,983.30 : 391,885.02 = 156,656.16 : x
  2. Step 2: Convert to fraction form
    283,983.30/391,885.02 = 156,656.16/x
  3. Step 3: Cross multiply
    283,983.30x = 391,885.02 × 156,656.16
  4. Step 4: Simplify right side
    283,983.30x = 61,391,202,394.72
  5. Step 5: Solve for x
    x = 61,391,202,394.72/283,983.30
  6. Step 6: Final answer
    x = 216,178.92

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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.