Home / 238,219.75-328,772.46-137,617.75

Finding the Fourth Proportional to 238,219.75, 328,772.46 and 137,617.75

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Solution

The fourth proportional to 238,219.75, 328,772.46 and 137,617.75 is: 189,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,219.75 : 328,772.46 = 137,617.75 : x
  2. Step 2: Convert to fraction form
    238,219.75/328,772.46 = 137,617.75/x
  3. Step 3: Cross multiply
    238,219.75x = 328,772.46 × 137,617.75
  4. Step 4: Simplify right side
    238,219.75x = 45,244,926,207.17
  5. Step 5: Solve for x
    x = 45,244,926,207.17/238,219.75
  6. Step 6: Final answer
    x = 189,929.37

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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.