Home / 136,290.44-204,436.68-47,543.60

Finding the Fourth Proportional to 136,290.44, 204,436.68 and 47,543.60

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Solution

The fourth proportional to 136,290.44, 204,436.68 and 47,543.60 is: 71,315.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,290.44 : 204,436.68 = 47,543.60 : x
  2. Step 2: Convert to fraction form
    136,290.44/204,436.68 = 47,543.60/x
  3. Step 3: Cross multiply
    136,290.44x = 204,436.68 × 47,543.60
  4. Step 4: Simplify right side
    136,290.44x = 9,719,655,739.25
  5. Step 5: Solve for x
    x = 9,719,655,739.25/136,290.44
  6. Step 6: Final answer
    x = 71,315.76

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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.