Home / 143,091.88-197,476.74-82,682.92

Finding the Fourth Proportional to 143,091.88, 197,476.74 and 82,682.92

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Solution

The fourth proportional to 143,091.88, 197,476.74 and 82,682.92 is: 114,108.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.88 : 197,476.74 = 82,682.92 : x
  2. Step 2: Convert to fraction form
    143,091.88/197,476.74 = 82,682.92/x
  3. Step 3: Cross multiply
    143,091.88x = 197,476.74 × 82,682.92
  4. Step 4: Simplify right side
    143,091.88x = 16,327,953,495.28
  5. Step 5: Solve for x
    x = 16,327,953,495.28/143,091.88
  6. Step 6: Final answer
    x = 114,108.18

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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.