Home / 206,177.97-309,278.70-64,036.74

Finding the Fourth Proportional to 206,177.97, 309,278.70 and 64,036.74

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Solution

The fourth proportional to 206,177.97, 309,278.70 and 64,036.74 is: 96,058.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,177.97 : 309,278.70 = 64,036.74 : x
  2. Step 2: Convert to fraction form
    206,177.97/309,278.70 = 64,036.74/x
  3. Step 3: Cross multiply
    206,177.97x = 309,278.70 × 64,036.74
  4. Step 4: Simplify right side
    206,177.97x = 19,805,199,699.44
  5. Step 5: Solve for x
    x = 19,805,199,699.44/206,177.97
  6. Step 6: Final answer
    x = 96,058.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.