Home / 151,549.72-227,390.14-81,347.08

Finding the Fourth Proportional to 151,549.72, 227,390.14 and 81,347.08

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Solution

The fourth proportional to 151,549.72, 227,390.14 and 81,347.08 is: 122,055.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,549.72 : 227,390.14 = 81,347.08 : x
  2. Step 2: Convert to fraction form
    151,549.72/227,390.14 = 81,347.08/x
  3. Step 3: Cross multiply
    151,549.72x = 227,390.14 × 81,347.08
  4. Step 4: Simplify right side
    151,549.72x = 18,497,523,909.79
  5. Step 5: Solve for x
    x = 18,497,523,909.79/151,549.72
  6. Step 6: Final answer
    x = 122,055.81

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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.