Home / 231,319.68-319,402.08-177,519.48

Finding the Fourth Proportional to 231,319.68, 319,402.08 and 177,519.48

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Solution

The fourth proportional to 231,319.68, 319,402.08 and 177,519.48 is: 245,115.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,319.68 : 319,402.08 = 177,519.48 : x
  2. Step 2: Convert to fraction form
    231,319.68/319,402.08 = 177,519.48/x
  3. Step 3: Cross multiply
    231,319.68x = 319,402.08 × 177,519.48
  4. Step 4: Simplify right side
    231,319.68x = 56,700,091,152.52
  5. Step 5: Solve for x
    x = 56,700,091,152.52/231,319.68
  6. Step 6: Final answer
    x = 245,115.73

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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.