Home / 165,039.32-247,519.16-76,207.44

Finding the Fourth Proportional to 165,039.32, 247,519.16 and 76,207.44

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Solution

The fourth proportional to 165,039.32, 247,519.16 and 76,207.44 is: 114,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.32 : 247,519.16 = 76,207.44 : x
  2. Step 2: Convert to fraction form
    165,039.32/247,519.16 = 76,207.44/x
  3. Step 3: Cross multiply
    165,039.32x = 247,519.16 × 76,207.44
  4. Step 4: Simplify right side
    165,039.32x = 18,862,801,534.55
  5. Step 5: Solve for x
    x = 18,862,801,534.55/165,039.32
  6. Step 6: Final answer
    x = 114,292.77

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1.5x scale

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.