Home / 283,411.29-391,125.26-156,086.85

Finding the Fourth Proportional to 283,411.29, 391,125.26 and 156,086.85

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Solution

The fourth proportional to 283,411.29, 391,125.26 and 156,086.85 is: 215,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,411.29 : 391,125.26 = 156,086.85 : x
  2. Step 2: Convert to fraction form
    283,411.29/391,125.26 = 156,086.85/x
  3. Step 3: Cross multiply
    283,411.29x = 391,125.26 × 156,086.85
  4. Step 4: Simplify right side
    283,411.29x = 61,049,509,788.83
  5. Step 5: Solve for x
    x = 61,049,509,788.83/283,411.29
  6. Step 6: Final answer
    x = 215,409.59

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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.