Home / 171,713.43-256,306.91-159,680.07

Finding the Fourth Proportional to 171,713.43, 256,306.91 and 159,680.07

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Solution

The fourth proportional to 171,713.43, 256,306.91 and 159,680.07 is: 238,345.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,713.43 : 256,306.91 = 159,680.07 : x
  2. Step 2: Convert to fraction form
    171,713.43/256,306.91 = 159,680.07/x
  3. Step 3: Cross multiply
    171,713.43x = 256,306.91 × 159,680.07
  4. Step 4: Simplify right side
    171,713.43x = 40,927,104,531.88
  5. Step 5: Solve for x
    x = 40,927,104,531.88/171,713.43
  6. Step 6: Final answer
    x = 238,345.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.