Home / 147,053.31-202,933.55-83,391.11

Finding the Fourth Proportional to 147,053.31, 202,933.55 and 83,391.11

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Solution

The fourth proportional to 147,053.31, 202,933.55 and 83,391.11 is: 115,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.31 : 202,933.55 = 83,391.11 : x
  2. Step 2: Convert to fraction form
    147,053.31/202,933.55 = 83,391.11/x
  3. Step 3: Cross multiply
    147,053.31x = 202,933.55 × 83,391.11
  4. Step 4: Simplify right side
    147,053.31x = 16,922,853,252.33
  5. Step 5: Solve for x
    x = 16,922,853,252.33/147,053.31
  6. Step 6: Final answer
    x = 115,079.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.