Home / 147,200.20-202,932.19-99,377.80

Finding the Fourth Proportional to 147,200.20, 202,932.19 and 99,377.80

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Solution

The fourth proportional to 147,200.20, 202,932.19 and 99,377.80 is: 137,003.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.20 : 202,932.19 = 99,377.80 : x
  2. Step 2: Convert to fraction form
    147,200.20/202,932.19 = 99,377.80/x
  3. Step 3: Cross multiply
    147,200.20x = 202,932.19 × 99,377.80
  4. Step 4: Simplify right side
    147,200.20x = 20,166,954,591.38
  5. Step 5: Solve for x
    x = 20,166,954,591.38/147,200.20
  6. Step 6: Final answer
    x = 137,003.58

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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.