Home / 146,947.38-202,809.54-89,619.96

Finding the Fourth Proportional to 146,947.38, 202,809.54 and 89,619.96

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Solution

The fourth proportional to 146,947.38, 202,809.54 and 89,619.96 is: 123,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,947.38 : 202,809.54 = 89,619.96 : x
  2. Step 2: Convert to fraction form
    146,947.38/202,809.54 = 89,619.96/x
  3. Step 3: Cross multiply
    146,947.38x = 202,809.54 × 89,619.96
  4. Step 4: Simplify right side
    146,947.38x = 18,175,782,862.42
  5. Step 5: Solve for x
    x = 18,175,782,862.42/146,947.38
  6. Step 6: Final answer
    x = 123,689.06

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1.5x scale

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.