Home / 329,306.12-454,439.59-178,402.76

Finding the Fourth Proportional to 329,306.12, 454,439.59 and 178,402.76

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Solution

The fourth proportional to 329,306.12, 454,439.59 and 178,402.76 is: 246,194.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.12 : 454,439.59 = 178,402.76 : x
  2. Step 2: Convert to fraction form
    329,306.12/454,439.59 = 178,402.76/x
  3. Step 3: Cross multiply
    329,306.12x = 454,439.59 × 178,402.76
  4. Step 4: Simplify right side
    329,306.12x = 81,073,274,391.06
  5. Step 5: Solve for x
    x = 81,073,274,391.06/329,306.12
  6. Step 6: Final answer
    x = 246,194.26

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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.