Home / 136,366.04-204,480.57-79,458.32

Finding the Fourth Proportional to 136,366.04, 204,480.57 and 79,458.32

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Solution

The fourth proportional to 136,366.04, 204,480.57 and 79,458.32 is: 119,147.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,366.04 : 204,480.57 = 79,458.32 : x
  2. Step 2: Convert to fraction form
    136,366.04/204,480.57 = 79,458.32/x
  3. Step 3: Cross multiply
    136,366.04x = 204,480.57 × 79,458.32
  4. Step 4: Simplify right side
    136,366.04x = 16,247,681,542.44
  5. Step 5: Solve for x
    x = 16,247,681,542.44/136,366.04
  6. Step 6: Final answer
    x = 119,147.57

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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.