Home / 338,481.07-467,125.64-187,587.79

Finding the Fourth Proportional to 338,481.07, 467,125.64 and 187,587.79

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Solution

The fourth proportional to 338,481.07, 467,125.64 and 187,587.79 is: 258,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,481.07 : 467,125.64 = 187,587.79 : x
  2. Step 2: Convert to fraction form
    338,481.07/467,125.64 = 187,587.79/x
  3. Step 3: Cross multiply
    338,481.07x = 467,125.64 × 187,587.79
  4. Step 4: Simplify right side
    338,481.07x = 87,627,066,459.94
  5. Step 5: Solve for x
    x = 87,627,066,459.94/338,481.07
  6. Step 6: Final answer
    x = 258,883.21

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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.