Home / 158,741.46-238,117.68-79,812.66

Finding the Fourth Proportional to 158,741.46, 238,117.68 and 79,812.66

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Solution

The fourth proportional to 158,741.46, 238,117.68 and 79,812.66 is: 119,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,741.46 : 238,117.68 = 79,812.66 : x
  2. Step 2: Convert to fraction form
    158,741.46/238,117.68 = 79,812.66/x
  3. Step 3: Cross multiply
    158,741.46x = 238,117.68 × 79,812.66
  4. Step 4: Simplify right side
    158,741.46x = 19,004,805,433.83
  5. Step 5: Solve for x
    x = 19,004,805,433.83/158,741.46
  6. Step 6: Final answer
    x = 119,721.75

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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.