Home / 169,722.48-234,023.78-108,386.04

Finding the Fourth Proportional to 169,722.48, 234,023.78 and 108,386.04

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Solution

The fourth proportional to 169,722.48, 234,023.78 and 108,386.04 is: 149,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.48 : 234,023.78 = 108,386.04 : x
  2. Step 2: Convert to fraction form
    169,722.48/234,023.78 = 108,386.04/x
  3. Step 3: Cross multiply
    169,722.48x = 234,023.78 × 108,386.04
  4. Step 4: Simplify right side
    169,722.48x = 25,364,910,780.03
  5. Step 5: Solve for x
    x = 25,364,910,780.03/169,722.48
  6. Step 6: Final answer
    x = 149,449.33

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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.