Home / 318,550.37-439,685.87-187,842.18

Finding the Fourth Proportional to 318,550.37, 439,685.87 and 187,842.18

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Solution

The fourth proportional to 318,550.37, 439,685.87 and 187,842.18 is: 259,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,550.37 : 439,685.87 = 187,842.18 : x
  2. Step 2: Convert to fraction form
    318,550.37/439,685.87 = 187,842.18/x
  3. Step 3: Cross multiply
    318,550.37x = 439,685.87 × 187,842.18
  4. Step 4: Simplify right side
    318,550.37x = 82,591,549,747.96
  5. Step 5: Solve for x
    x = 82,591,549,747.96/318,550.37
  6. Step 6: Final answer
    x = 259,273.13

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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.