Home / 237,564.13-356,309.07-77,638.80

Finding the Fourth Proportional to 237,564.13, 356,309.07 and 77,638.80

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Solution

The fourth proportional to 237,564.13, 356,309.07 and 77,638.80 is: 116,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,564.13 : 356,309.07 = 77,638.80 : x
  2. Step 2: Convert to fraction form
    237,564.13/356,309.07 = 77,638.80/x
  3. Step 3: Cross multiply
    237,564.13x = 356,309.07 × 77,638.80
  4. Step 4: Simplify right side
    237,564.13x = 27,663,408,623.92
  5. Step 5: Solve for x
    x = 27,663,408,623.92/237,564.13
  6. Step 6: Final answer
    x = 116,446.07

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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.