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Finding the Fourth Proportional to 181,737.36, 250,258.32 and 130,660.20

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Solution

The fourth proportional to 181,737.36, 250,258.32 and 130,660.20 is: 179,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,737.36 : 250,258.32 = 130,660.20 : x
  2. Step 2: Convert to fraction form
    181,737.36/250,258.32 = 130,660.20/x
  3. Step 3: Cross multiply
    181,737.36x = 250,258.32 × 130,660.20
  4. Step 4: Simplify right side
    181,737.36x = 32,698,802,142.86
  5. Step 5: Solve for x
    x = 32,698,802,142.86/181,737.36
  6. Step 6: Final answer
    x = 179,923.39

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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.