Home / 165,041.32-247,522.15-76,209.43

Finding the Fourth Proportional to 165,041.32, 247,522.15 and 76,209.43

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Solution

The fourth proportional to 165,041.32, 247,522.15 and 76,209.43 is: 114,295.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,041.32 : 247,522.15 = 76,209.43 : x
  2. Step 2: Convert to fraction form
    165,041.32/247,522.15 = 76,209.43/x
  3. Step 3: Cross multiply
    165,041.32x = 247,522.15 × 76,209.43
  4. Step 4: Simplify right side
    165,041.32x = 18,863,521,963.87
  5. Step 5: Solve for x
    x = 18,863,521,963.87/165,041.32
  6. Step 6: Final answer
    x = 114,295.75

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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.