Home / 136,211.01-187,864.68-88,479.73

Finding the Fourth Proportional to 136,211.01, 187,864.68 and 88,479.73

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Solution

The fourth proportional to 136,211.01, 187,864.68 and 88,479.73 is: 122,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,211.01 : 187,864.68 = 88,479.73 : x
  2. Step 2: Convert to fraction form
    136,211.01/187,864.68 = 88,479.73/x
  3. Step 3: Cross multiply
    136,211.01x = 187,864.68 × 88,479.73
  4. Step 4: Simplify right side
    136,211.01x = 16,622,216,162.94
  5. Step 5: Solve for x
    x = 16,622,216,162.94/136,211.01
  6. Step 6: Final answer
    x = 122,032.84

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1.5x scale

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.