Home / 136,276.39-204,448.61-47,531.17

Finding the Fourth Proportional to 136,276.39, 204,448.61 and 47,531.17

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Solution

The fourth proportional to 136,276.39, 204,448.61 and 47,531.17 is: 71,308.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,276.39 : 204,448.61 = 47,531.17 : x
  2. Step 2: Convert to fraction form
    136,276.39/204,448.61 = 47,531.17/x
  3. Step 3: Cross multiply
    136,276.39x = 204,448.61 × 47,531.17
  4. Step 4: Simplify right side
    136,276.39x = 9,717,681,400.52
  5. Step 5: Solve for x
    x = 9,717,681,400.52/136,276.39
  6. Step 6: Final answer
    x = 71,308.62

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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.