Home / 165,247.98-247,827.69-71,731.50

Finding the Fourth Proportional to 165,247.98, 247,827.69 and 71,731.50

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Solution

The fourth proportional to 165,247.98, 247,827.69 and 71,731.50 is: 107,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,247.98 : 247,827.69 = 71,731.50 : x
  2. Step 2: Convert to fraction form
    165,247.98/247,827.69 = 71,731.50/x
  3. Step 3: Cross multiply
    165,247.98x = 247,827.69 × 71,731.50
  4. Step 4: Simplify right side
    165,247.98x = 17,777,051,945.24
  5. Step 5: Solve for x
    x = 17,777,051,945.24/165,247.98
  6. Step 6: Final answer
    x = 107,578.03

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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.