Home / 153,664.45-230,062.00-81,452.82

Finding the Fourth Proportional to 153,664.45, 230,062.00 and 81,452.82

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Solution

The fourth proportional to 153,664.45, 230,062.00 and 81,452.82 is: 121,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,664.45 : 230,062.00 = 81,452.82 : x
  2. Step 2: Convert to fraction form
    153,664.45/230,062.00 = 81,452.82/x
  3. Step 3: Cross multiply
    153,664.45x = 230,062.00 × 81,452.82
  4. Step 4: Simplify right side
    153,664.45x = 18,739,198,776.66
  5. Step 5: Solve for x
    x = 18,739,198,776.66/153,664.45
  6. Step 6: Final answer
    x = 121,948.82

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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.