Home / 141,621.53-195,437.69-77,959.31

Finding the Fourth Proportional to 141,621.53, 195,437.69 and 77,959.31

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Solution

The fourth proportional to 141,621.53, 195,437.69 and 77,959.31 is: 107,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.53 : 195,437.69 = 77,959.31 : x
  2. Step 2: Convert to fraction form
    141,621.53/195,437.69 = 77,959.31/x
  3. Step 3: Cross multiply
    141,621.53x = 195,437.69 × 77,959.31
  4. Step 4: Simplify right side
    141,621.53x = 15,236,187,070.60
  5. Step 5: Solve for x
    x = 15,236,187,070.60/141,621.53
  6. Step 6: Final answer
    x = 107,583.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.