Home / 233,911.88-322,778.90-131,931.72

Finding the Fourth Proportional to 233,911.88, 322,778.90 and 131,931.72

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Solution

The fourth proportional to 233,911.88, 322,778.90 and 131,931.72 is: 182,054.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,911.88 : 322,778.90 = 131,931.72 : x
  2. Step 2: Convert to fraction form
    233,911.88/322,778.90 = 131,931.72/x
  3. Step 3: Cross multiply
    233,911.88x = 322,778.90 × 131,931.72
  4. Step 4: Simplify right side
    233,911.88x = 42,584,775,456.71
  5. Step 5: Solve for x
    x = 42,584,775,456.71/233,911.88
  6. Step 6: Final answer
    x = 182,054.78

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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.