Home / 110,104.32-151,966.08-65,383.68

Finding the Fourth Proportional to 110,104.32, 151,966.08 and 65,383.68

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Solution

The fourth proportional to 110,104.32, 151,966.08 and 65,383.68 is: 90,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,104.32 : 151,966.08 = 65,383.68 : x
  2. Step 2: Convert to fraction form
    110,104.32/151,966.08 = 65,383.68/x
  3. Step 3: Cross multiply
    110,104.32x = 151,966.08 × 65,383.68
  4. Step 4: Simplify right side
    110,104.32x = 9,936,101,545.57
  5. Step 5: Solve for x
    x = 9,936,101,545.57/110,104.32
  6. Step 6: Final answer
    x = 90,242.61

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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.