Home / 283,731.58-391,552.23-156,411.73

Finding the Fourth Proportional to 283,731.58, 391,552.23 and 156,411.73

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Solution

The fourth proportional to 283,731.58, 391,552.23 and 156,411.73 is: 215,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,731.58 : 391,552.23 = 156,411.73 : x
  2. Step 2: Convert to fraction form
    283,731.58/391,552.23 = 156,411.73/x
  3. Step 3: Cross multiply
    283,731.58x = 391,552.23 × 156,411.73
  4. Step 4: Simplify right side
    283,731.58x = 61,243,361,679.66
  5. Step 5: Solve for x
    x = 61,243,361,679.66/283,731.58
  6. Step 6: Final answer
    x = 215,849.65

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1.5x scale

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.