Home / 283,885.18-391,761.90-154,823.92

Finding the Fourth Proportional to 283,885.18, 391,761.90 and 154,823.92

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Solution

The fourth proportional to 283,885.18, 391,761.90 and 154,823.92 is: 213,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,885.18 : 391,761.90 = 154,823.92 : x
  2. Step 2: Convert to fraction form
    283,885.18/391,761.90 = 154,823.92/x
  3. Step 3: Cross multiply
    283,885.18x = 391,761.90 × 154,823.92
  4. Step 4: Simplify right side
    283,885.18x = 60,654,112,085.24
  5. Step 5: Solve for x
    x = 60,654,112,085.24/283,885.18
  6. Step 6: Final answer
    x = 213,657.20

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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.