Home / 147,560.57-203,613.04-83,891.33

Finding the Fourth Proportional to 147,560.57, 203,613.04 and 83,891.33

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Solution

The fourth proportional to 147,560.57, 203,613.04 and 83,891.33 is: 115,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,560.57 : 203,613.04 = 83,891.33 : x
  2. Step 2: Convert to fraction form
    147,560.57/203,613.04 = 83,891.33/x
  3. Step 3: Cross multiply
    147,560.57x = 203,613.04 × 83,891.33
  4. Step 4: Simplify right side
    147,560.57x = 17,081,368,730.94
  5. Step 5: Solve for x
    x = 17,081,368,730.94/147,560.57
  6. Step 6: Final answer
    x = 115,758.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.