Home / 295,067.10-442,017.45-161,708.70

Finding the Fourth Proportional to 295,067.10, 442,017.45 and 161,708.70

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Solution

The fourth proportional to 295,067.10, 442,017.45 and 161,708.70 is: 242,243.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,067.10 : 442,017.45 = 161,708.70 : x
  2. Step 2: Convert to fraction form
    295,067.10/442,017.45 = 161,708.70/x
  3. Step 3: Cross multiply
    295,067.10x = 442,017.45 × 161,708.70
  4. Step 4: Simplify right side
    295,067.10x = 71,478,067,216.82
  5. Step 5: Solve for x
    x = 71,478,067,216.82/295,067.10
  6. Step 6: Final answer
    x = 242,243.43

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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.