Home / 109,867.92-164,800.66-83,376.65

Finding the Fourth Proportional to 109,867.92, 164,800.66 and 83,376.65

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Solution

The fourth proportional to 109,867.92, 164,800.66 and 83,376.65 is: 125,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,867.92 : 164,800.66 = 83,376.65 : x
  2. Step 2: Convert to fraction form
    109,867.92/164,800.66 = 83,376.65/x
  3. Step 3: Cross multiply
    109,867.92x = 164,800.66 × 83,376.65
  4. Step 4: Simplify right side
    109,867.92x = 13,740,526,948.59
  5. Step 5: Solve for x
    x = 13,740,526,948.59/109,867.92
  6. Step 6: Final answer
    x = 125,064.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.