Home / 143,182.20-197,600.40-82,763.76

Finding the Fourth Proportional to 143,182.20, 197,600.40 and 82,763.76

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Solution

The fourth proportional to 143,182.20, 197,600.40 and 82,763.76 is: 114,219.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,182.20 : 197,600.40 = 82,763.76 : x
  2. Step 2: Convert to fraction form
    143,182.20/197,600.40 = 82,763.76/x
  3. Step 3: Cross multiply
    143,182.20x = 197,600.40 × 82,763.76
  4. Step 4: Simplify right side
    143,182.20x = 16,354,152,081.50
  5. Step 5: Solve for x
    x = 16,354,152,081.50/143,182.20
  6. Step 6: Final answer
    x = 114,219.17

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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.