Home / 123,862.73-170,932.80-70,158.86

Finding the Fourth Proportional to 123,862.73, 170,932.80 and 70,158.86

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Solution

The fourth proportional to 123,862.73, 170,932.80 and 70,158.86 is: 96,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,862.73 : 170,932.80 = 70,158.86 : x
  2. Step 2: Convert to fraction form
    123,862.73/170,932.80 = 70,158.86/x
  3. Step 3: Cross multiply
    123,862.73x = 170,932.80 × 70,158.86
  4. Step 4: Simplify right side
    123,862.73x = 11,992,449,529.94
  5. Step 5: Solve for x
    x = 11,992,449,529.94/123,862.73
  6. Step 6: Final answer
    x = 96,820.49

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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.