Home / 104,934.20-157,401.30-82,815.80

Finding the Fourth Proportional to 104,934.20, 157,401.30 and 82,815.80

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Solution

The fourth proportional to 104,934.20, 157,401.30 and 82,815.80 is: 124,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,934.20 : 157,401.30 = 82,815.80 : x
  2. Step 2: Convert to fraction form
    104,934.20/157,401.30 = 82,815.80/x
  3. Step 3: Cross multiply
    104,934.20x = 157,401.30 × 82,815.80
  4. Step 4: Simplify right side
    104,934.20x = 13,035,314,580.54
  5. Step 5: Solve for x
    x = 13,035,314,580.54/104,934.20
  6. Step 6: Final answer
    x = 124,223.70

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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.