Home / 104,508.11-144,122.95-80,596.91

Finding the Fourth Proportional to 104,508.11, 144,122.95 and 80,596.91

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Solution

The fourth proportional to 104,508.11, 144,122.95 and 80,596.91 is: 111,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,508.11 : 144,122.95 = 80,596.91 : x
  2. Step 2: Convert to fraction form
    104,508.11/144,122.95 = 80,596.91/x
  3. Step 3: Cross multiply
    104,508.11x = 144,122.95 × 80,596.91
  4. Step 4: Simplify right side
    104,508.11x = 11,615,864,430.08
  5. Step 5: Solve for x
    x = 11,615,864,430.08/104,508.11
  6. Step 6: Final answer
    x = 111,147.97

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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.