Home / 181,331.87-250,233.00-100,757.32

Finding the Fourth Proportional to 181,331.87, 250,233.00 and 100,757.32

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Solution

The fourth proportional to 181,331.87, 250,233.00 and 100,757.32 is: 139,042.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,331.87 : 250,233.00 = 100,757.32 : x
  2. Step 2: Convert to fraction form
    181,331.87/250,233.00 = 100,757.32/x
  3. Step 3: Cross multiply
    181,331.87x = 250,233.00 × 100,757.32
  4. Step 4: Simplify right side
    181,331.87x = 25,212,806,018.90
  5. Step 5: Solve for x
    x = 25,212,806,018.90/181,331.87
  6. Step 6: Final answer
    x = 139,042.34

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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.