Home / 123,203.39-170,020.44-69,488.24

Finding the Fourth Proportional to 123,203.39, 170,020.44 and 69,488.24

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Solution

The fourth proportional to 123,203.39, 170,020.44 and 69,488.24 is: 95,893.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,203.39 : 170,020.44 = 69,488.24 : x
  2. Step 2: Convert to fraction form
    123,203.39/170,020.44 = 69,488.24/x
  3. Step 3: Cross multiply
    123,203.39x = 170,020.44 × 69,488.24
  4. Step 4: Simplify right side
    123,203.39x = 11,814,420,289.52
  5. Step 5: Solve for x
    x = 11,814,420,289.52/123,203.39
  6. Step 6: Final answer
    x = 95,893.63

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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.