Home / 136,037.54-187,734.99-75,610.73

Finding the Fourth Proportional to 136,037.54, 187,734.99 and 75,610.73

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Solution

The fourth proportional to 136,037.54, 187,734.99 and 75,610.73 is: 104,344.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.54 : 187,734.99 = 75,610.73 : x
  2. Step 2: Convert to fraction form
    136,037.54/187,734.99 = 75,610.73/x
  3. Step 3: Cross multiply
    136,037.54x = 187,734.99 × 75,610.73
  4. Step 4: Simplify right side
    136,037.54x = 14,194,778,701.77
  5. Step 5: Solve for x
    x = 14,194,778,701.77/136,037.54
  6. Step 6: Final answer
    x = 104,344.57

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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.