Home / 123,514.70-170,451.61-69,800.36

Finding the Fourth Proportional to 123,514.70, 170,451.61 and 69,800.36

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Solution

The fourth proportional to 123,514.70, 170,451.61 and 69,800.36 is: 96,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,514.70 : 170,451.61 = 69,800.36 : x
  2. Step 2: Convert to fraction form
    123,514.70/170,451.61 = 69,800.36/x
  3. Step 3: Cross multiply
    123,514.70x = 170,451.61 × 69,800.36
  4. Step 4: Simplify right side
    123,514.70x = 11,897,582,713.82
  5. Step 5: Solve for x
    x = 11,897,582,713.82/123,514.70
  6. Step 6: Final answer
    x = 96,325.24

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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.