Home / 165,504.08-248,061.71-76,569.72

Finding the Fourth Proportional to 165,504.08, 248,061.71 and 76,569.72

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Solution

The fourth proportional to 165,504.08, 248,061.71 and 76,569.72 is: 114,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,504.08 : 248,061.71 = 76,569.72 : x
  2. Step 2: Convert to fraction form
    165,504.08/248,061.71 = 76,569.72/x
  3. Step 3: Cross multiply
    165,504.08x = 248,061.71 × 76,569.72
  4. Step 4: Simplify right side
    165,504.08x = 18,994,015,294.57
  5. Step 5: Solve for x
    x = 18,994,015,294.57/165,504.08
  6. Step 6: Final answer
    x = 114,764.64

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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.