Home / 123,306.77-170,146.26-68,852.28

Finding the Fourth Proportional to 123,306.77, 170,146.26 and 68,852.28

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Solution

The fourth proportional to 123,306.77, 170,146.26 and 68,852.28 is: 95,006.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306.77 : 170,146.26 = 68,852.28 : x
  2. Step 2: Convert to fraction form
    123,306.77/170,146.26 = 68,852.28/x
  3. Step 3: Cross multiply
    123,306.77x = 170,146.26 × 68,852.28
  4. Step 4: Simplify right side
    123,306.77x = 11,714,957,934.47
  5. Step 5: Solve for x
    x = 11,714,957,934.47/123,306.77
  6. Step 6: Final answer
    x = 95,006.61

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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.