Home / 147,033.83-220,195.49-83,661.95

Finding the Fourth Proportional to 147,033.83, 220,195.49 and 83,661.95

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Solution

The fourth proportional to 147,033.83, 220,195.49 and 83,661.95 is: 125,290.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,033.83 : 220,195.49 = 83,661.95 : x
  2. Step 2: Convert to fraction form
    147,033.83/220,195.49 = 83,661.95/x
  3. Step 3: Cross multiply
    147,033.83x = 220,195.49 × 83,661.95
  4. Step 4: Simplify right side
    147,033.83x = 18,421,984,206.78
  5. Step 5: Solve for x
    x = 18,421,984,206.78/147,033.83
  6. Step 6: Final answer
    x = 125,290.78

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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.