Home / 170,123.22-234,754.77-98,508.09

Finding the Fourth Proportional to 170,123.22, 234,754.77 and 98,508.09

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Solution

The fourth proportional to 170,123.22, 234,754.77 and 98,508.09 is: 135,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,123.22 : 234,754.77 = 98,508.09 : x
  2. Step 2: Convert to fraction form
    170,123.22/234,754.77 = 98,508.09/x
  3. Step 3: Cross multiply
    170,123.22x = 234,754.77 × 98,508.09
  4. Step 4: Simplify right side
    170,123.22x = 23,125,244,011.09
  5. Step 5: Solve for x
    x = 23,125,244,011.09/170,123.22
  6. Step 6: Final answer
    x = 135,932.32

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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.