Home / 136,210.01-187,863.30-88,478.73

Finding the Fourth Proportional to 136,210.01, 187,863.30 and 88,478.73

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Solution

The fourth proportional to 136,210.01, 187,863.30 and 88,478.73 is: 122,031.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,210.01 : 187,863.30 = 88,478.73 : x
  2. Step 2: Convert to fraction form
    136,210.01/187,863.30 = 88,478.73/x
  3. Step 3: Cross multiply
    136,210.01x = 187,863.30 × 88,478.73
  4. Step 4: Simplify right side
    136,210.01x = 16,621,906,197.61
  5. Step 5: Solve for x
    x = 16,621,906,197.61/136,210.01
  6. Step 6: Final answer
    x = 122,031.46

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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.