Home / 140,295.24-193,469.16-86,568.85

Finding the Fourth Proportional to 140,295.24, 193,469.16 and 86,568.85

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Solution

The fourth proportional to 140,295.24, 193,469.16 and 86,568.85 is: 119,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.24 : 193,469.16 = 86,568.85 : x
  2. Step 2: Convert to fraction form
    140,295.24/193,469.16 = 86,568.85/x
  3. Step 3: Cross multiply
    140,295.24x = 193,469.16 × 86,568.85
  4. Step 4: Simplify right side
    140,295.24x = 16,748,402,771.19
  5. Step 5: Solve for x
    x = 16,748,402,771.19/140,295.24
  6. Step 6: Final answer
    x = 119,379.69

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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.