Home / 148,596.12-205,063.56-80,613.36

Finding the Fourth Proportional to 148,596.12, 205,063.56 and 80,613.36

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Solution

The fourth proportional to 148,596.12, 205,063.56 and 80,613.36 is: 111,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,596.12 : 205,063.56 = 80,613.36 : x
  2. Step 2: Convert to fraction form
    148,596.12/205,063.56 = 80,613.36/x
  3. Step 3: Cross multiply
    148,596.12x = 205,063.56 × 80,613.36
  4. Step 4: Simplify right side
    148,596.12x = 16,530,862,585.16
  5. Step 5: Solve for x
    x = 16,530,862,585.16/148,596.12
  6. Step 6: Final answer
    x = 111,246.93

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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.