Home / 147,005.92-202,904.22-83,380.96

Finding the Fourth Proportional to 147,005.92, 202,904.22 and 83,380.96

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Solution

The fourth proportional to 147,005.92, 202,904.22 and 83,380.96 is: 115,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,005.92 : 202,904.22 = 83,380.96 : x
  2. Step 2: Convert to fraction form
    147,005.92/202,904.22 = 83,380.96/x
  3. Step 3: Cross multiply
    147,005.92x = 202,904.22 × 83,380.96
  4. Step 4: Simplify right side
    147,005.92x = 16,918,348,651.65
  5. Step 5: Solve for x
    x = 16,918,348,651.65/147,005.92
  6. Step 6: Final answer
    x = 115,086.17

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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.