Home / 191,120.11-285,067.70-165,962.32

Finding the Fourth Proportional to 191,120.11, 285,067.70 and 165,962.32

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Solution

The fourth proportional to 191,120.11, 285,067.70 and 165,962.32 is: 247,543.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,120.11 : 285,067.70 = 165,962.32 : x
  2. Step 2: Convert to fraction form
    191,120.11/285,067.70 = 165,962.32/x
  3. Step 3: Cross multiply
    191,120.11x = 285,067.70 × 165,962.32
  4. Step 4: Simplify right side
    191,120.11x = 47,310,496,862.48
  5. Step 5: Solve for x
    x = 47,310,496,862.48/191,120.11
  6. Step 6: Final answer
    x = 247,543.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.