Home / 136,760.94-205,036.77-112,993.68

Finding the Fourth Proportional to 136,760.94, 205,036.77 and 112,993.68

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Solution

The fourth proportional to 136,760.94, 205,036.77 and 112,993.68 is: 169,404.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,760.94 : 205,036.77 = 112,993.68 : x
  2. Step 2: Convert to fraction form
    136,760.94/205,036.77 = 112,993.68/x
  3. Step 3: Cross multiply
    136,760.94x = 205,036.77 × 112,993.68
  4. Step 4: Simplify right side
    136,760.94x = 23,167,859,177.61
  5. Step 5: Solve for x
    x = 23,167,859,177.61/136,760.94
  6. Step 6: Final answer
    x = 169,404.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.