Home / 101,943.20-152,228.19-83,260.29

Finding the Fourth Proportional to 101,943.20, 152,228.19 and 83,260.29

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Solution

The fourth proportional to 101,943.20, 152,228.19 and 83,260.29 is: 124,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,943.20 : 152,228.19 = 83,260.29 : x
  2. Step 2: Convert to fraction form
    101,943.20/152,228.19 = 83,260.29/x
  3. Step 3: Cross multiply
    101,943.20x = 152,228.19 × 83,260.29
  4. Step 4: Simplify right side
    101,943.20x = 12,674,563,245.58
  5. Step 5: Solve for x
    x = 12,674,563,245.58/101,943.20
  6. Step 6: Final answer
    x = 124,329.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.