Home / 146,365.32-219,023.10-126,711.48

Finding the Fourth Proportional to 146,365.32, 219,023.10 and 126,711.48

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Solution

The fourth proportional to 146,365.32, 219,023.10 and 126,711.48 is: 189,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,365.32 : 219,023.10 = 126,711.48 : x
  2. Step 2: Convert to fraction form
    146,365.32/219,023.10 = 126,711.48/x
  3. Step 3: Cross multiply
    146,365.32x = 219,023.10 × 126,711.48
  4. Step 4: Simplify right side
    146,365.32x = 27,752,741,155.19
  5. Step 5: Solve for x
    x = 27,752,741,155.19/146,365.32
  6. Step 6: Final answer
    x = 189,612.82

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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.