Home / 312,444.14-431,050.82-181,600.02

Finding the Fourth Proportional to 312,444.14, 431,050.82 and 181,600.02

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Solution

The fourth proportional to 312,444.14, 431,050.82 and 181,600.02 is: 250,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,444.14 : 431,050.82 = 181,600.02 : x
  2. Step 2: Convert to fraction form
    312,444.14/431,050.82 = 181,600.02/x
  3. Step 3: Cross multiply
    312,444.14x = 431,050.82 × 181,600.02
  4. Step 4: Simplify right side
    312,444.14x = 78,278,836,625.02
  5. Step 5: Solve for x
    x = 78,278,836,625.02/312,444.14
  6. Step 6: Final answer
    x = 250,537.07

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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.