Home / 233,239.16-321,856.70-131,268.86

Finding the Fourth Proportional to 233,239.16, 321,856.70 and 131,268.86

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Solution

The fourth proportional to 233,239.16, 321,856.70 and 131,268.86 is: 181,143.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,239.16 : 321,856.70 = 131,268.86 : x
  2. Step 2: Convert to fraction form
    233,239.16/321,856.70 = 131,268.86/x
  3. Step 3: Cross multiply
    233,239.16x = 321,856.70 × 131,268.86
  4. Step 4: Simplify right side
    233,239.16x = 42,249,762,092.36
  5. Step 5: Solve for x
    x = 42,249,762,092.36/233,239.16
  6. Step 6: Final answer
    x = 181,143.52

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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.