Home / 133,854.55-200,681.97-80,534.04

Finding the Fourth Proportional to 133,854.55, 200,681.97 and 80,534.04

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Solution

The fourth proportional to 133,854.55, 200,681.97 and 80,534.04 is: 120,740.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,854.55 : 200,681.97 = 80,534.04 : x
  2. Step 2: Convert to fraction form
    133,854.55/200,681.97 = 80,534.04/x
  3. Step 3: Cross multiply
    133,854.55x = 200,681.97 × 80,534.04
  4. Step 4: Simplify right side
    133,854.55x = 16,161,729,799.26
  5. Step 5: Solve for x
    x = 16,161,729,799.26/133,854.55
  6. Step 6: Final answer
    x = 120,740.98

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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.