Home / 283,977.12-391,889.52-156,650.88

Finding the Fourth Proportional to 283,977.12, 391,889.52 and 156,650.88

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Solution

The fourth proportional to 283,977.12, 391,889.52 and 156,650.88 is: 216,178.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,977.12 : 391,889.52 = 156,650.88 : x
  2. Step 2: Convert to fraction form
    283,977.12/391,889.52 = 156,650.88/x
  3. Step 3: Cross multiply
    283,977.12x = 391,889.52 × 156,650.88
  4. Step 4: Simplify right side
    283,977.12x = 61,389,838,170.78
  5. Step 5: Solve for x
    x = 61,389,838,170.78/283,977.12
  6. Step 6: Final answer
    x = 216,178.82

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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.