Home / 106,267.50-146,649.15-58,520.75

Finding the Fourth Proportional to 106,267.50, 146,649.15 and 58,520.75

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Solution

The fourth proportional to 106,267.50, 146,649.15 and 58,520.75 is: 80,758.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,267.50 : 146,649.15 = 58,520.75 : x
  2. Step 2: Convert to fraction form
    106,267.50/146,649.15 = 58,520.75/x
  3. Step 3: Cross multiply
    106,267.50x = 146,649.15 × 58,520.75
  4. Step 4: Simplify right side
    106,267.50x = 8,582,017,511.62
  5. Step 5: Solve for x
    x = 8,582,017,511.62/106,267.50
  6. Step 6: Final answer
    x = 80,758.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.