Home / 338,561.31-467,248.02-193,388.78

Finding the Fourth Proportional to 338,561.31, 467,248.02 and 193,388.78

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Solution

The fourth proportional to 338,561.31, 467,248.02 and 193,388.78 is: 266,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,561.31 : 467,248.02 = 193,388.78 : x
  2. Step 2: Convert to fraction form
    338,561.31/467,248.02 = 193,388.78/x
  3. Step 3: Cross multiply
    338,561.31x = 467,248.02 × 193,388.78
  4. Step 4: Simplify right side
    338,561.31x = 90,360,525,713.34
  5. Step 5: Solve for x
    x = 90,360,525,713.34/338,561.31
  6. Step 6: Final answer
    x = 266,895.61

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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.