Home / 233,308.20-321,971.40-131,337.40

Finding the Fourth Proportional to 233,308.20, 321,971.40 and 131,337.40

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Solution

The fourth proportional to 233,308.20, 321,971.40 and 131,337.40 is: 181,249.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,308.20 : 321,971.40 = 131,337.40 : x
  2. Step 2: Convert to fraction form
    233,308.20/321,971.40 = 131,337.40/x
  3. Step 3: Cross multiply
    233,308.20x = 321,971.40 × 131,337.40
  4. Step 4: Simplify right side
    233,308.20x = 42,286,886,550.36
  5. Step 5: Solve for x
    x = 42,286,886,550.36/233,308.20
  6. Step 6: Final answer
    x = 181,249.04

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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.