Home / 165,616.56-248,434.38-47,278.80

Finding the Fourth Proportional to 165,616.56, 248,434.38 and 47,278.80

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Solution

The fourth proportional to 165,616.56, 248,434.38 and 47,278.80 is: 70,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,616.56 : 248,434.38 = 47,278.80 : x
  2. Step 2: Convert to fraction form
    165,616.56/248,434.38 = 47,278.80/x
  3. Step 3: Cross multiply
    165,616.56x = 248,434.38 × 47,278.80
  4. Step 4: Simplify right side
    165,616.56x = 11,745,679,365.14
  5. Step 5: Solve for x
    x = 11,745,679,365.14/165,616.56
  6. Step 6: Final answer
    x = 70,920.92

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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.