Home / 136,074.46-187,784.13-74,823.88

Finding the Fourth Proportional to 136,074.46, 187,784.13 and 74,823.88

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Solution

The fourth proportional to 136,074.46, 187,784.13 and 74,823.88 is: 103,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,074.46 : 187,784.13 = 74,823.88 : x
  2. Step 2: Convert to fraction form
    136,074.46/187,784.13 = 74,823.88/x
  3. Step 3: Cross multiply
    136,074.46x = 187,784.13 × 74,823.88
  4. Step 4: Simplify right side
    136,074.46x = 14,050,737,209.02
  5. Step 5: Solve for x
    x = 14,050,737,209.02/136,074.46
  6. Step 6: Final answer
    x = 103,257.71

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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.