Home / 147,053.83-202,934.26-83,391.62

Finding the Fourth Proportional to 147,053.83, 202,934.26 and 83,391.62

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Solution

The fourth proportional to 147,053.83, 202,934.26 and 83,391.62 is: 115,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.83 : 202,934.26 = 83,391.62 : x
  2. Step 2: Convert to fraction form
    147,053.83/202,934.26 = 83,391.62/x
  3. Step 3: Cross multiply
    147,053.83x = 202,934.26 × 83,391.62
  4. Step 4: Simplify right side
    147,053.83x = 16,923,016,694.90
  5. Step 5: Solve for x
    x = 16,923,016,694.90/147,053.83
  6. Step 6: Final answer
    x = 115,080.42

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1.5x scale

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.