Home / 154,590.30-231,861.15-54,736.20

Finding the Fourth Proportional to 154,590.30, 231,861.15 and 54,736.20

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Solution

The fourth proportional to 154,590.30, 231,861.15 and 54,736.20 is: 82,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,590.30 : 231,861.15 = 54,736.20 : x
  2. Step 2: Convert to fraction form
    154,590.30/231,861.15 = 54,736.20/x
  3. Step 3: Cross multiply
    154,590.30x = 231,861.15 × 54,736.20
  4. Step 4: Simplify right side
    154,590.30x = 12,691,198,278.63
  5. Step 5: Solve for x
    x = 12,691,198,278.63/154,590.30
  6. Step 6: Final answer
    x = 82,095.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.