Home / 140,016.27-193,237.04-86,299.91

Finding the Fourth Proportional to 140,016.27, 193,237.04 and 86,299.91

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Solution

The fourth proportional to 140,016.27, 193,237.04 and 86,299.91 is: 119,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,016.27 : 193,237.04 = 86,299.91 : x
  2. Step 2: Convert to fraction form
    140,016.27/193,237.04 = 86,299.91/x
  3. Step 3: Cross multiply
    140,016.27x = 193,237.04 × 86,299.91
  4. Step 4: Simplify right side
    140,016.27x = 16,676,339,160.67
  5. Step 5: Solve for x
    x = 16,676,339,160.67/140,016.27
  6. Step 6: Final answer
    x = 119,102.87

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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.