Home / 181,442.31-250,395.81-99,766.32

Finding the Fourth Proportional to 181,442.31, 250,395.81 and 99,766.32

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Solution

The fourth proportional to 181,442.31, 250,395.81 and 99,766.32 is: 137,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,442.31 : 250,395.81 = 99,766.32 : x
  2. Step 2: Convert to fraction form
    181,442.31/250,395.81 = 99,766.32/x
  3. Step 3: Cross multiply
    181,442.31x = 250,395.81 × 99,766.32
  4. Step 4: Simplify right side
    181,442.31x = 24,981,068,507.12
  5. Step 5: Solve for x
    x = 24,981,068,507.12/181,442.31
  6. Step 6: Final answer
    x = 137,680.50

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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.