Home / 141,027.94-211,343.02-77,876.50

Finding the Fourth Proportional to 141,027.94, 211,343.02 and 77,876.50

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Solution

The fourth proportional to 141,027.94, 211,343.02 and 77,876.50 is: 116,704.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,027.94 : 211,343.02 = 77,876.50 : x
  2. Step 2: Convert to fraction form
    141,027.94/211,343.02 = 77,876.50/x
  3. Step 3: Cross multiply
    141,027.94x = 211,343.02 × 77,876.50
  4. Step 4: Simplify right side
    141,027.94x = 16,458,653,250.93
  5. Step 5: Solve for x
    x = 16,458,653,250.93/141,027.94
  6. Step 6: Final answer
    x = 116,704.91

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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.