Home / 143,050.17-197,396.20-84,896.88

Finding the Fourth Proportional to 143,050.17, 197,396.20 and 84,896.88

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Solution

The fourth proportional to 143,050.17, 197,396.20 and 84,896.88 is: 117,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,050.17 : 197,396.20 = 84,896.88 : x
  2. Step 2: Convert to fraction form
    143,050.17/197,396.20 = 84,896.88/x
  3. Step 3: Cross multiply
    143,050.17x = 197,396.20 × 84,896.88
  4. Step 4: Simplify right side
    143,050.17x = 16,758,320,092.39
  5. Step 5: Solve for x
    x = 16,758,320,092.39/143,050.17
  6. Step 6: Final answer
    x = 117,149.95

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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.