Home / 151,341.20-227,141.40-67,230.80

Finding the Fourth Proportional to 151,341.20, 227,141.40 and 67,230.80

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Solution

The fourth proportional to 151,341.20, 227,141.40 and 67,230.80 is: 100,903.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,341.20 : 227,141.40 = 67,230.80 : x
  2. Step 2: Convert to fraction form
    151,341.20/227,141.40 = 67,230.80/x
  3. Step 3: Cross multiply
    151,341.20x = 227,141.40 × 67,230.80
  4. Step 4: Simplify right side
    151,341.20x = 15,270,898,035.12
  5. Step 5: Solve for x
    x = 15,270,898,035.12/151,341.20
  6. Step 6: Final answer
    x = 100,903.77

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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.