Home / 136,083.80-204,077.10-47,340.20

Finding the Fourth Proportional to 136,083.80, 204,077.10 and 47,340.20

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Solution

The fourth proportional to 136,083.80, 204,077.10 and 47,340.20 is: 70,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,083.80 : 204,077.10 = 47,340.20 : x
  2. Step 2: Convert to fraction form
    136,083.80/204,077.10 = 47,340.20/x
  3. Step 3: Cross multiply
    136,083.80x = 204,077.10 × 47,340.20
  4. Step 4: Simplify right side
    136,083.80x = 9,661,050,729.42
  5. Step 5: Solve for x
    x = 9,661,050,729.42/136,083.80
  6. Step 6: Final answer
    x = 70,993.39

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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.