Home / 238,016.57-328,376.67-156,388.79

Finding the Fourth Proportional to 238,016.57, 328,376.67 and 156,388.79

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Solution

The fourth proportional to 238,016.57, 328,376.67 and 156,388.79 is: 215,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,016.57 : 328,376.67 = 156,388.79 : x
  2. Step 2: Convert to fraction form
    238,016.57/328,376.67 = 156,388.79/x
  3. Step 3: Cross multiply
    238,016.57x = 328,376.67 × 156,388.79
  4. Step 4: Simplify right side
    238,016.57x = 51,354,430,320.01
  5. Step 5: Solve for x
    x = 51,354,430,320.01/238,016.57
  6. Step 6: Final answer
    x = 215,759.90

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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.