Home / 144,638.46-199,599.12-80,976.24

Finding the Fourth Proportional to 144,638.46, 199,599.12 and 80,976.24

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Solution

The fourth proportional to 144,638.46, 199,599.12 and 80,976.24 is: 111,746.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.46 : 199,599.12 = 80,976.24 : x
  2. Step 2: Convert to fraction form
    144,638.46/199,599.12 = 80,976.24/x
  3. Step 3: Cross multiply
    144,638.46x = 199,599.12 × 80,976.24
  4. Step 4: Simplify right side
    144,638.46x = 16,162,786,244.91
  5. Step 5: Solve for x
    x = 16,162,786,244.91/144,638.46
  6. Step 6: Final answer
    x = 111,746.12

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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.