Home / 283,927.86-391,818.60-156,600.72

Finding the Fourth Proportional to 283,927.86, 391,818.60 and 156,600.72

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Solution

The fourth proportional to 283,927.86, 391,818.60 and 156,600.72 is: 216,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,927.86 : 391,818.60 = 156,600.72 : x
  2. Step 2: Convert to fraction form
    283,927.86/391,818.60 = 156,600.72/x
  3. Step 3: Cross multiply
    283,927.86x = 391,818.60 × 156,600.72
  4. Step 4: Simplify right side
    283,927.86x = 61,359,074,869.39
  5. Step 5: Solve for x
    x = 61,359,074,869.39/283,927.86
  6. Step 6: Final answer
    x = 216,107.97

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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.