Home / 279,893.07-386,252.45-152,568.66

Finding the Fourth Proportional to 279,893.07, 386,252.45 and 152,568.66

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Solution

The fourth proportional to 279,893.07, 386,252.45 and 152,568.66 is: 210,544.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,893.07 : 386,252.45 = 152,568.66 : x
  2. Step 2: Convert to fraction form
    279,893.07/386,252.45 = 152,568.66/x
  3. Step 3: Cross multiply
    279,893.07x = 386,252.45 × 152,568.66
  4. Step 4: Simplify right side
    279,893.07x = 58,930,019,975.95
  5. Step 5: Solve for x
    x = 58,930,019,975.95/279,893.07
  6. Step 6: Final answer
    x = 210,544.76

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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.