Home / 141,951.06-212,926.68-79,665.30

Finding the Fourth Proportional to 141,951.06, 212,926.68 and 79,665.30

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Solution

The fourth proportional to 141,951.06, 212,926.68 and 79,665.30 is: 119,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,951.06 : 212,926.68 = 79,665.30 : x
  2. Step 2: Convert to fraction form
    141,951.06/212,926.68 = 79,665.30/x
  3. Step 3: Cross multiply
    141,951.06x = 212,926.68 × 79,665.30
  4. Step 4: Simplify right side
    141,951.06x = 16,962,867,840.20
  5. Step 5: Solve for x
    x = 16,962,867,840.20/141,951.06
  6. Step 6: Final answer
    x = 119,498.00

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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.