Home / 136,052.42-187,744.23-75,620.95

Finding the Fourth Proportional to 136,052.42, 187,744.23 and 75,620.95

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Solution

The fourth proportional to 136,052.42, 187,744.23 and 75,620.95 is: 104,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,052.42 : 187,744.23 = 75,620.95 : x
  2. Step 2: Convert to fraction form
    136,052.42/187,744.23 = 75,620.95/x
  3. Step 3: Cross multiply
    136,052.42x = 187,744.23 × 75,620.95
  4. Step 4: Simplify right side
    136,052.42x = 14,197,396,560.26
  5. Step 5: Solve for x
    x = 14,197,396,560.26/136,052.42
  6. Step 6: Final answer
    x = 104,352.40

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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.