Home / 220,560.10-330,976.23-102,209.38

Finding the Fourth Proportional to 220,560.10, 330,976.23 and 102,209.38

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Solution

The fourth proportional to 220,560.10, 330,976.23 and 102,209.38 is: 153,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,560.10 : 330,976.23 = 102,209.38 : x
  2. Step 2: Convert to fraction form
    220,560.10/330,976.23 = 102,209.38/x
  3. Step 3: Cross multiply
    220,560.10x = 330,976.23 × 102,209.38
  4. Step 4: Simplify right side
    220,560.10x = 33,828,875,263.04
  5. Step 5: Solve for x
    x = 33,828,875,263.04/220,560.10
  6. Step 6: Final answer
    x = 153,377.13

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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.