Home / 283,439.83-391,132.20-176,007.55

Finding the Fourth Proportional to 283,439.83, 391,132.20 and 176,007.55

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Solution

The fourth proportional to 283,439.83, 391,132.20 and 176,007.55 is: 242,881.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,439.83 : 391,132.20 = 176,007.55 : x
  2. Step 2: Convert to fraction form
    283,439.83/391,132.20 = 176,007.55/x
  3. Step 3: Cross multiply
    283,439.83x = 391,132.20 × 176,007.55
  4. Step 4: Simplify right side
    283,439.83x = 68,842,220,248.11
  5. Step 5: Solve for x
    x = 68,842,220,248.11/283,439.83
  6. Step 6: Final answer
    x = 242,881.25

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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.