Home / 146,023.20-219,034.80-126,340.20

Finding the Fourth Proportional to 146,023.20, 219,034.80 and 126,340.20

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Solution

The fourth proportional to 146,023.20, 219,034.80 and 126,340.20 is: 189,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,023.20 : 219,034.80 = 126,340.20 : x
  2. Step 2: Convert to fraction form
    146,023.20/219,034.80 = 126,340.20/x
  3. Step 3: Cross multiply
    146,023.20x = 219,034.80 × 126,340.20
  4. Step 4: Simplify right side
    146,023.20x = 27,672,900,438.96
  5. Step 5: Solve for x
    x = 27,672,900,438.96/146,023.20
  6. Step 6: Final answer
    x = 189,510.30

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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.