Home / 147,199.20-202,930.82-99,376.80

Finding the Fourth Proportional to 147,199.20, 202,930.82 and 99,376.80

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Solution

The fourth proportional to 147,199.20, 202,930.82 and 99,376.80 is: 137,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,199.20 : 202,930.82 = 99,376.80 : x
  2. Step 2: Convert to fraction form
    147,199.20/202,930.82 = 99,376.80/x
  3. Step 3: Cross multiply
    147,199.20x = 202,930.82 × 99,376.80
  4. Step 4: Simplify right side
    147,199.20x = 20,166,615,016.09
  5. Step 5: Solve for x
    x = 20,166,615,016.09/147,199.20
  6. Step 6: Final answer
    x = 137,002.21

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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.