Home / 245,844.43-368,910.03-103,680.94

Finding the Fourth Proportional to 245,844.43, 368,910.03 and 103,680.94

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Solution

The fourth proportional to 245,844.43, 368,910.03 and 103,680.94 is: 155,581.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,844.43 : 368,910.03 = 103,680.94 : x
  2. Step 2: Convert to fraction form
    245,844.43/368,910.03 = 103,680.94/x
  3. Step 3: Cross multiply
    245,844.43x = 368,910.03 × 103,680.94
  4. Step 4: Simplify right side
    245,844.43x = 38,248,938,685.83
  5. Step 5: Solve for x
    x = 38,248,938,685.83/245,844.43
  6. Step 6: Final answer
    x = 155,581.88

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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.