Home / 159,058.79-238,586.09-39,116.78

Finding the Fourth Proportional to 159,058.79, 238,586.09 and 39,116.78

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Solution

The fourth proportional to 159,058.79, 238,586.09 and 39,116.78 is: 58,674.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,058.79 : 238,586.09 = 39,116.78 : x
  2. Step 2: Convert to fraction form
    159,058.79/238,586.09 = 39,116.78/x
  3. Step 3: Cross multiply
    159,058.79x = 238,586.09 × 39,116.78
  4. Step 4: Simplify right side
    159,058.79x = 9,332,718,205.08
  5. Step 5: Solve for x
    x = 9,332,718,205.08/159,058.79
  6. Step 6: Final answer
    x = 58,674.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.