Home / 146,686.06-202,439.69-82,154.31

Finding the Fourth Proportional to 146,686.06, 202,439.69 and 82,154.31

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Solution

The fourth proportional to 146,686.06, 202,439.69 and 82,154.31 is: 113,380.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,686.06 : 202,439.69 = 82,154.31 : x
  2. Step 2: Convert to fraction form
    146,686.06/202,439.69 = 82,154.31/x
  3. Step 3: Cross multiply
    146,686.06x = 202,439.69 × 82,154.31
  4. Step 4: Simplify right side
    146,686.06x = 16,631,293,048.56
  5. Step 5: Solve for x
    x = 16,631,293,048.56/146,686.06
  6. Step 6: Final answer
    x = 113,380.19

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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.