Home / 144,052.36-198,772.68-83,613.40

Finding the Fourth Proportional to 144,052.36, 198,772.68 and 83,613.40

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Solution

The fourth proportional to 144,052.36, 198,772.68 and 83,613.40 is: 115,375.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,052.36 : 198,772.68 = 83,613.40 : x
  2. Step 2: Convert to fraction form
    144,052.36/198,772.68 = 83,613.40/x
  3. Step 3: Cross multiply
    144,052.36x = 198,772.68 × 83,613.40
  4. Step 4: Simplify right side
    144,052.36x = 16,620,059,418.53
  5. Step 5: Solve for x
    x = 16,620,059,418.53/144,052.36
  6. Step 6: Final answer
    x = 115,375.13

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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.