Home / 181,155.18-250,001.94-100,582.70

Finding the Fourth Proportional to 181,155.18, 250,001.94 and 100,582.70

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Solution

The fourth proportional to 181,155.18, 250,001.94 and 100,582.70 is: 138,808.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,155.18 : 250,001.94 = 100,582.70 : x
  2. Step 2: Convert to fraction form
    181,155.18/250,001.94 = 100,582.70/x
  3. Step 3: Cross multiply
    181,155.18x = 250,001.94 × 100,582.70
  4. Step 4: Simplify right side
    181,155.18x = 25,145,869,257.61
  5. Step 5: Solve for x
    x = 25,145,869,257.61/181,155.18
  6. Step 6: Final answer
    x = 138,808.44

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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.