Home / 181,441.13-272,165.42-66,031.66

Finding the Fourth Proportional to 181,441.13, 272,165.42 and 66,031.66

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Solution

The fourth proportional to 181,441.13, 272,165.42 and 66,031.66 is: 99,048.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,441.13 : 272,165.42 = 66,031.66 : x
  2. Step 2: Convert to fraction form
    181,441.13/272,165.42 = 66,031.66/x
  3. Step 3: Cross multiply
    181,441.13x = 272,165.42 × 66,031.66
  4. Step 4: Simplify right side
    181,441.13x = 17,971,534,982.48
  5. Step 5: Solve for x
    x = 17,971,534,982.48/181,441.13
  6. Step 6: Final answer
    x = 99,048.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.