Home / 150,831.10-225,902.19-72,000.68

Finding the Fourth Proportional to 150,831.10, 225,902.19 and 72,000.68

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Solution

The fourth proportional to 150,831.10, 225,902.19 and 72,000.68 is: 107,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.10 : 225,902.19 = 72,000.68 : x
  2. Step 2: Convert to fraction form
    150,831.10/225,902.19 = 72,000.68/x
  3. Step 3: Cross multiply
    150,831.10x = 225,902.19 × 72,000.68
  4. Step 4: Simplify right side
    150,831.10x = 16,265,111,293.49
  5. Step 5: Solve for x
    x = 16,265,111,293.49/150,831.10
  6. Step 6: Final answer
    x = 107,836.59

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1.5x scale

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.