Home / 258,377.12-356,891.12-197,578.52

Finding the Fourth Proportional to 258,377.12, 356,891.12 and 197,578.52

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Solution

The fourth proportional to 258,377.12, 356,891.12 and 197,578.52 is: 272,911.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,377.12 : 356,891.12 = 197,578.52 : x
  2. Step 2: Convert to fraction form
    258,377.12/356,891.12 = 197,578.52/x
  3. Step 3: Cross multiply
    258,377.12x = 356,891.12 × 197,578.52
  4. Step 4: Simplify right side
    258,377.12x = 70,514,019,290.74
  5. Step 5: Solve for x
    x = 70,514,019,290.74/258,377.12
  6. Step 6: Final answer
    x = 272,911.24

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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.