Home / 146,116.80-219,110.40-67,255.20

Finding the Fourth Proportional to 146,116.80, 219,110.40 and 67,255.20

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Solution

The fourth proportional to 146,116.80, 219,110.40 and 67,255.20 is: 100,852.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,116.80 : 219,110.40 = 67,255.20 : x
  2. Step 2: Convert to fraction form
    146,116.80/219,110.40 = 67,255.20/x
  3. Step 3: Cross multiply
    146,116.80x = 219,110.40 × 67,255.20
  4. Step 4: Simplify right side
    146,116.80x = 14,736,313,774.08
  5. Step 5: Solve for x
    x = 14,736,313,774.08/146,116.80
  6. Step 6: Final answer
    x = 100,852.97

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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.