Home / 283,775.32-391,612.66-156,455.48

Finding the Fourth Proportional to 283,775.32, 391,612.66 and 156,455.48

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Solution

The fourth proportional to 283,775.32, 391,612.66 and 156,455.48 is: 215,910.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,775.32 : 391,612.66 = 156,455.48 : x
  2. Step 2: Convert to fraction form
    283,775.32/391,612.66 = 156,455.48/x
  3. Step 3: Cross multiply
    283,775.32x = 391,612.66 × 156,455.48
  4. Step 4: Simplify right side
    283,775.32x = 61,269,946,694.38
  5. Step 5: Solve for x
    x = 61,269,946,694.38/283,775.32
  6. Step 6: Final answer
    x = 215,910.06

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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.