Home / 133,075.60-199,613.40-88,169.20

Finding the Fourth Proportional to 133,075.60, 199,613.40 and 88,169.20

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Solution

The fourth proportional to 133,075.60, 199,613.40 and 88,169.20 is: 132,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,075.60 : 199,613.40 = 88,169.20 : x
  2. Step 2: Convert to fraction form
    133,075.60/199,613.40 = 88,169.20/x
  3. Step 3: Cross multiply
    133,075.60x = 199,613.40 × 88,169.20
  4. Step 4: Simplify right side
    133,075.60x = 17,599,753,787.28
  5. Step 5: Solve for x
    x = 17,599,753,787.28/133,075.60
  6. Step 6: Final answer
    x = 132,253.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.