Home / 165,290.72-247,952.48-52,942.72

Finding the Fourth Proportional to 165,290.72, 247,952.48 and 52,942.72

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Solution

The fourth proportional to 165,290.72, 247,952.48 and 52,942.72 is: 79,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290.72 : 247,952.48 = 52,942.72 : x
  2. Step 2: Convert to fraction form
    165,290.72/247,952.48 = 52,942.72/x
  3. Step 3: Cross multiply
    165,290.72x = 247,952.48 × 52,942.72
  4. Step 4: Simplify right side
    165,290.72x = 13,127,278,721.95
  5. Step 5: Solve for x
    x = 13,127,278,721.95/165,290.72
  6. Step 6: Final answer
    x = 79,419.33

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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.