Home / 195,065.28-269,306.10-123,506.64

Finding the Fourth Proportional to 195,065.28, 269,306.10 and 123,506.64

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Solution

The fourth proportional to 195,065.28, 269,306.10 and 123,506.64 is: 170,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,065.28 : 269,306.10 = 123,506.64 : x
  2. Step 2: Convert to fraction form
    195,065.28/269,306.10 = 123,506.64/x
  3. Step 3: Cross multiply
    195,065.28x = 269,306.10 × 123,506.64
  4. Step 4: Simplify right side
    195,065.28x = 33,261,091,542.50
  5. Step 5: Solve for x
    x = 33,261,091,542.50/195,065.28
  6. Step 6: Final answer
    x = 170,512.62

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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.