Home / 187,818.99-259,189.61-101,778.31

Finding the Fourth Proportional to 187,818.99, 259,189.61 and 101,778.31

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Solution

The fourth proportional to 187,818.99, 259,189.61 and 101,778.31 is: 140,453.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,818.99 : 259,189.61 = 101,778.31 : x
  2. Step 2: Convert to fraction form
    187,818.99/259,189.61 = 101,778.31/x
  3. Step 3: Cross multiply
    187,818.99x = 259,189.61 × 101,778.31
  4. Step 4: Simplify right side
    187,818.99x = 26,379,879,318.49
  5. Step 5: Solve for x
    x = 26,379,879,318.49/187,818.99
  6. Step 6: Final answer
    x = 140,453.74

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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.