Home / 146,764.02-220,149.33-83,129.43

Finding the Fourth Proportional to 146,764.02, 220,149.33 and 83,129.43

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Solution

The fourth proportional to 146,764.02, 220,149.33 and 83,129.43 is: 124,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,764.02 : 220,149.33 = 83,129.43 : x
  2. Step 2: Convert to fraction form
    146,764.02/220,149.33 = 83,129.43/x
  3. Step 3: Cross multiply
    146,764.02x = 220,149.33 × 83,129.43
  4. Step 4: Simplify right side
    146,764.02x = 18,300,888,317.78
  5. Step 5: Solve for x
    x = 18,300,888,317.78/146,764.02
  6. Step 6: Final answer
    x = 124,696.01

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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.