Home / 181,670.50-272,575.11-70,871.14

Finding the Fourth Proportional to 181,670.50, 272,575.11 and 70,871.14

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Solution

The fourth proportional to 181,670.50, 272,575.11 and 70,871.14 is: 106,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,670.50 : 272,575.11 = 70,871.14 : x
  2. Step 2: Convert to fraction form
    181,670.50/272,575.11 = 70,871.14/x
  3. Step 3: Cross multiply
    181,670.50x = 272,575.11 × 70,871.14
  4. Step 4: Simplify right side
    181,670.50x = 19,317,708,781.33
  5. Step 5: Solve for x
    x = 19,317,708,781.33/181,670.50
  6. Step 6: Final answer
    x = 106,333.77

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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.