Home / 142,823.04-197,092.44-82,393.80

Finding the Fourth Proportional to 142,823.04, 197,092.44 and 82,393.80

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Solution

The fourth proportional to 142,823.04, 197,092.44 and 82,393.80 is: 113,701.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,823.04 : 197,092.44 = 82,393.80 : x
  2. Step 2: Convert to fraction form
    142,823.04/197,092.44 = 82,393.80/x
  3. Step 3: Cross multiply
    142,823.04x = 197,092.44 × 82,393.80
  4. Step 4: Simplify right side
    142,823.04x = 16,239,195,082.87
  5. Step 5: Solve for x
    x = 16,239,195,082.87/142,823.04
  6. Step 6: Final answer
    x = 113,701.51

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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.