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Finding the Fourth Proportional to 230,753.16, 318,439.62 and 130,151.16

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Solution

The fourth proportional to 230,753.16, 318,439.62 and 130,151.16 is: 179,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,753.16 : 318,439.62 = 130,151.16 : x
  2. Step 2: Convert to fraction form
    230,753.16/318,439.62 = 130,151.16/x
  3. Step 3: Cross multiply
    230,753.16x = 318,439.62 × 130,151.16
  4. Step 4: Simplify right side
    230,753.16x = 41,445,285,932.96
  5. Step 5: Solve for x
    x = 41,445,285,932.96/230,753.16
  6. Step 6: Final answer
    x = 179,608.75

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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.