Home / 141,063.06-211,233.29-77,812.85

Finding the Fourth Proportional to 141,063.06, 211,233.29 and 77,812.85

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Solution

The fourth proportional to 141,063.06, 211,233.29 and 77,812.85 is: 116,519.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,063.06 : 211,233.29 = 77,812.85 : x
  2. Step 2: Convert to fraction form
    141,063.06/211,233.29 = 77,812.85/x
  3. Step 3: Cross multiply
    141,063.06x = 211,233.29 × 77,812.85
  4. Step 4: Simplify right side
    141,063.06x = 16,436,665,105.34
  5. Step 5: Solve for x
    x = 16,436,665,105.34/141,063.06
  6. Step 6: Final answer
    x = 116,519.98

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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.