Home / 165,111.13-247,701.97-51,256.42

Finding the Fourth Proportional to 165,111.13, 247,701.97 and 51,256.42

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Solution

The fourth proportional to 165,111.13, 247,701.97 and 51,256.42 is: 76,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,111.13 : 247,701.97 = 51,256.42 : x
  2. Step 2: Convert to fraction form
    165,111.13/247,701.97 = 51,256.42/x
  3. Step 3: Cross multiply
    165,111.13x = 247,701.97 × 51,256.42
  4. Step 4: Simplify right side
    165,111.13x = 12,696,316,494.78
  5. Step 5: Solve for x
    x = 12,696,316,494.78/165,111.13
  6. Step 6: Final answer
    x = 76,895.58

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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.