Home / 165,580.12-248,412.10-47,251.88

Finding the Fourth Proportional to 165,580.12, 248,412.10 and 47,251.88

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Solution

The fourth proportional to 165,580.12, 248,412.10 and 47,251.88 is: 70,889.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,580.12 : 248,412.10 = 47,251.88 : x
  2. Step 2: Convert to fraction form
    165,580.12/248,412.10 = 47,251.88/x
  3. Step 3: Cross multiply
    165,580.12x = 248,412.10 × 47,251.88
  4. Step 4: Simplify right side
    165,580.12x = 11,737,938,739.75
  5. Step 5: Solve for x
    x = 11,737,938,739.75/165,580.12
  6. Step 6: Final answer
    x = 70,889.78

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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.