Home / 283,558.58-391,328.25-156,234.14

Finding the Fourth Proportional to 283,558.58, 391,328.25 and 156,234.14

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Solution

The fourth proportional to 283,558.58, 391,328.25 and 156,234.14 is: 215,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,558.58 : 391,328.25 = 156,234.14 : x
  2. Step 2: Convert to fraction form
    283,558.58/391,328.25 = 156,234.14/x
  3. Step 3: Cross multiply
    283,558.58x = 391,328.25 × 156,234.14
  4. Step 4: Simplify right side
    283,558.58x = 61,138,832,596.46
  5. Step 5: Solve for x
    x = 61,138,832,596.46/283,558.58
  6. Step 6: Final answer
    x = 215,612.71

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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.