Home / 123,863.48-170,933.84-70,159.61

Finding the Fourth Proportional to 123,863.48, 170,933.84 and 70,159.61

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Solution

The fourth proportional to 123,863.48, 170,933.84 and 70,159.61 is: 96,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,863.48 : 170,933.84 = 70,159.61 : x
  2. Step 2: Convert to fraction form
    123,863.48/170,933.84 = 70,159.61/x
  3. Step 3: Cross multiply
    123,863.48x = 170,933.84 × 70,159.61
  4. Step 4: Simplify right side
    123,863.48x = 11,992,650,344.74
  5. Step 5: Solve for x
    x = 11,992,650,344.74/123,863.48
  6. Step 6: Final answer
    x = 96,821.52

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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.