Home / 153,919.11-230,891.82-54,070.62

Finding the Fourth Proportional to 153,919.11, 230,891.82 and 54,070.62

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Solution

The fourth proportional to 153,919.11, 230,891.82 and 54,070.62 is: 81,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,919.11 : 230,891.82 = 54,070.62 : x
  2. Step 2: Convert to fraction form
    153,919.11/230,891.82 = 54,070.62/x
  3. Step 3: Cross multiply
    153,919.11x = 230,891.82 × 54,070.62
  4. Step 4: Simplify right side
    153,919.11x = 12,484,463,860.33
  5. Step 5: Solve for x
    x = 12,484,463,860.33/153,919.11
  6. Step 6: Final answer
    x = 81,110.55

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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.