Home / 136,550.26-204,684.65-52,287.40

Finding the Fourth Proportional to 136,550.26, 204,684.65 and 52,287.40

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Solution

The fourth proportional to 136,550.26, 204,684.65 and 52,287.40 is: 78,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,550.26 : 204,684.65 = 52,287.40 : x
  2. Step 2: Convert to fraction form
    136,550.26/204,684.65 = 52,287.40/x
  3. Step 3: Cross multiply
    136,550.26x = 204,684.65 × 52,287.40
  4. Step 4: Simplify right side
    136,550.26x = 10,702,428,168.41
  5. Step 5: Solve for x
    x = 10,702,428,168.41/136,550.26
  6. Step 6: Final answer
    x = 78,377.21

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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.