Home / 316,251.28-436,446.12-182,158.48

Finding the Fourth Proportional to 316,251.28, 436,446.12 and 182,158.48

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Solution

The fourth proportional to 316,251.28, 436,446.12 and 182,158.48 is: 251,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,251.28 : 436,446.12 = 182,158.48 : x
  2. Step 2: Convert to fraction form
    316,251.28/436,446.12 = 182,158.48/x
  3. Step 3: Cross multiply
    316,251.28x = 436,446.12 × 182,158.48
  4. Step 4: Simplify right side
    316,251.28x = 79,502,361,821.10
  5. Step 5: Solve for x
    x = 79,502,361,821.10/316,251.28
  6. Step 6: Final answer
    x = 251,389.85

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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.