Home / 237,605.27-356,378.15-77,667.80

Finding the Fourth Proportional to 237,605.27, 356,378.15 and 77,667.80

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Solution

The fourth proportional to 237,605.27, 356,378.15 and 77,667.80 is: 116,491.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,605.27 : 356,378.15 = 77,667.80 : x
  2. Step 2: Convert to fraction form
    237,605.27/356,378.15 = 77,667.80/x
  3. Step 3: Cross multiply
    237,605.27x = 356,378.15 × 77,667.80
  4. Step 4: Simplify right side
    237,605.27x = 27,679,105,290.85
  5. Step 5: Solve for x
    x = 27,679,105,290.85/237,605.27
  6. Step 6: Final answer
    x = 116,491.97

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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.