Home / 238,923.30-329,639.93-135,540.45

Finding the Fourth Proportional to 238,923.30, 329,639.93 and 135,540.45

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Solution

The fourth proportional to 238,923.30, 329,639.93 and 135,540.45 is: 187,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,923.30 : 329,639.93 = 135,540.45 : x
  2. Step 2: Convert to fraction form
    238,923.30/329,639.93 = 135,540.45/x
  3. Step 3: Cross multiply
    238,923.30x = 329,639.93 × 135,540.45
  4. Step 4: Simplify right side
    238,923.30x = 44,679,543,772.47
  5. Step 5: Solve for x
    x = 44,679,543,772.47/238,923.30
  6. Step 6: Final answer
    x = 187,003.71

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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.