Home / 127,626.27-191,418.38-47,643.22

Finding the Fourth Proportional to 127,626.27, 191,418.38 and 47,643.22

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Solution

The fourth proportional to 127,626.27, 191,418.38 and 47,643.22 is: 71,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,626.27 : 191,418.38 = 47,643.22 : x
  2. Step 2: Convert to fraction form
    127,626.27/191,418.38 = 47,643.22/x
  3. Step 3: Cross multiply
    127,626.27x = 191,418.38 × 47,643.22
  4. Step 4: Simplify right side
    127,626.27x = 9,119,787,990.38
  5. Step 5: Solve for x
    x = 9,119,787,990.38/127,626.27
  6. Step 6: Final answer
    x = 71,456.98

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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.