Home / 150,306.82-207,426.53-82,326.65

Finding the Fourth Proportional to 150,306.82, 207,426.53 and 82,326.65

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Solution

The fourth proportional to 150,306.82, 207,426.53 and 82,326.65 is: 113,612.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,306.82 : 207,426.53 = 82,326.65 : x
  2. Step 2: Convert to fraction form
    150,306.82/207,426.53 = 82,326.65/x
  3. Step 3: Cross multiply
    150,306.82x = 207,426.53 × 82,326.65
  4. Step 4: Simplify right side
    150,306.82x = 17,076,730,504.71
  5. Step 5: Solve for x
    x = 17,076,730,504.71/150,306.82
  6. Step 6: Final answer
    x = 113,612.48

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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.