Home / 231,320.43-319,403.12-177,520.23

Finding the Fourth Proportional to 231,320.43, 319,403.12 and 177,520.23

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Solution

The fourth proportional to 231,320.43, 319,403.12 and 177,520.23 is: 245,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,320.43 : 319,403.12 = 177,520.23 : x
  2. Step 2: Convert to fraction form
    231,320.43/319,403.12 = 177,520.23/x
  3. Step 3: Cross multiply
    231,320.43x = 319,403.12 × 177,520.23
  4. Step 4: Simplify right side
    231,320.43x = 56,700,514,437.52
  5. Step 5: Solve for x
    x = 56,700,514,437.52/231,320.43
  6. Step 6: Final answer
    x = 245,116.76

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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.