Home / 181,355.71-250,267.56-100,781.77

Finding the Fourth Proportional to 181,355.71, 250,267.56 and 100,781.77

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Solution

The fourth proportional to 181,355.71, 250,267.56 and 100,781.77 is: 139,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,355.71 : 250,267.56 = 100,781.77 : x
  2. Step 2: Convert to fraction form
    181,355.71/250,267.56 = 100,781.77/x
  3. Step 3: Cross multiply
    181,355.71x = 250,267.56 × 100,781.77
  4. Step 4: Simplify right side
    181,355.71x = 25,222,407,670.38
  5. Step 5: Solve for x
    x = 25,222,407,670.38/181,355.71
  6. Step 6: Final answer
    x = 139,077.00

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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.