Home / 146,720.13-219,721.27-132,520.51

Finding the Fourth Proportional to 146,720.13, 219,721.27 and 132,520.51

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Solution

The fourth proportional to 146,720.13, 219,721.27 and 132,520.51 is: 198,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,720.13 : 219,721.27 = 132,520.51 : x
  2. Step 2: Convert to fraction form
    146,720.13/219,721.27 = 132,520.51/x
  3. Step 3: Cross multiply
    146,720.13x = 219,721.27 × 132,520.51
  4. Step 4: Simplify right side
    146,720.13x = 29,117,574,758.25
  5. Step 5: Solve for x
    x = 29,117,574,758.25/146,720.13
  6. Step 6: Final answer
    x = 198,456.58

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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.