Home / 151,778.48-227,558.28-72,831.92

Finding the Fourth Proportional to 151,778.48, 227,558.28 and 72,831.92

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Solution

The fourth proportional to 151,778.48, 227,558.28 and 72,831.92 is: 109,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,778.48 : 227,558.28 = 72,831.92 : x
  2. Step 2: Convert to fraction form
    151,778.48/227,558.28 = 72,831.92/x
  3. Step 3: Cross multiply
    151,778.48x = 227,558.28 × 72,831.92
  4. Step 4: Simplify right side
    151,778.48x = 16,573,506,444.30
  5. Step 5: Solve for x
    x = 16,573,506,444.30/151,778.48
  6. Step 6: Final answer
    x = 109,195.36

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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.