Home / 107,786.16-148,625.28-88,346.16

Finding the Fourth Proportional to 107,786.16, 148,625.28 and 88,346.16

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Solution

The fourth proportional to 107,786.16, 148,625.28 and 88,346.16 is: 121,819.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,786.16 : 148,625.28 = 88,346.16 : x
  2. Step 2: Convert to fraction form
    107,786.16/148,625.28 = 88,346.16/x
  3. Step 3: Cross multiply
    107,786.16x = 148,625.28 × 88,346.16
  4. Step 4: Simplify right side
    107,786.16x = 13,130,472,766.92
  5. Step 5: Solve for x
    x = 13,130,472,766.92/107,786.16
  6. Step 6: Final answer
    x = 121,819.65

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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.