Home / 233,181.18-321,783.03-131,212.31

Finding the Fourth Proportional to 233,181.18, 321,783.03 and 131,212.31

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Solution

The fourth proportional to 233,181.18, 321,783.03 and 131,212.31 is: 181,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,181.18 : 321,783.03 = 131,212.31 : x
  2. Step 2: Convert to fraction form
    233,181.18/321,783.03 = 131,212.31/x
  3. Step 3: Cross multiply
    233,181.18x = 321,783.03 × 131,212.31
  4. Step 4: Simplify right side
    233,181.18x = 42,221,893,076.18
  5. Step 5: Solve for x
    x = 42,221,893,076.18/233,181.18
  6. Step 6: Final answer
    x = 181,069.04

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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.