Home / 136,569.24-204,981.84-84,081.24

Finding the Fourth Proportional to 136,569.24, 204,981.84 and 84,081.24

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Solution

The fourth proportional to 136,569.24, 204,981.84 and 84,081.24 is: 126,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,569.24 : 204,981.84 = 84,081.24 : x
  2. Step 2: Convert to fraction form
    136,569.24/204,981.84 = 84,081.24/x
  3. Step 3: Cross multiply
    136,569.24x = 204,981.84 × 84,081.24
  4. Step 4: Simplify right side
    136,569.24x = 17,235,127,284.68
  5. Step 5: Solve for x
    x = 17,235,127,284.68/136,569.24
  6. Step 6: Final answer
    x = 126,200.65

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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.