Home / 181,663.11-250,697.37-100,000.80

Finding the Fourth Proportional to 181,663.11, 250,697.37 and 100,000.80

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Solution

The fourth proportional to 181,663.11, 250,697.37 and 100,000.80 is: 138,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,663.11 : 250,697.37 = 100,000.80 : x
  2. Step 2: Convert to fraction form
    181,663.11/250,697.37 = 100,000.80/x
  3. Step 3: Cross multiply
    181,663.11x = 250,697.37 × 100,000.80
  4. Step 4: Simplify right side
    181,663.11x = 25,069,937,557.90
  5. Step 5: Solve for x
    x = 25,069,937,557.90/181,663.11
  6. Step 6: Final answer
    x = 138,002.36

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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.