Home / 199,621.60-299,651.10-124,826.20

Finding the Fourth Proportional to 199,621.60, 299,651.10 and 124,826.20

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Solution

The fourth proportional to 199,621.60, 299,651.10 and 124,826.20 is: 187,376.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,621.60 : 299,651.10 = 124,826.20 : x
  2. Step 2: Convert to fraction form
    199,621.60/299,651.10 = 124,826.20/x
  3. Step 3: Cross multiply
    199,621.60x = 299,651.10 × 124,826.20
  4. Step 4: Simplify right side
    199,621.60x = 37,404,308,138.82
  5. Step 5: Solve for x
    x = 37,404,308,138.82/199,621.60
  6. Step 6: Final answer
    x = 187,376.06

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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.