Home / 195,634.40-293,365.20-77,266.40

Finding the Fourth Proportional to 195,634.40, 293,365.20 and 77,266.40

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Solution

The fourth proportional to 195,634.40, 293,365.20 and 77,266.40 is: 115,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,634.40 : 293,365.20 = 77,266.40 : x
  2. Step 2: Convert to fraction form
    195,634.40/293,365.20 = 77,266.40/x
  3. Step 3: Cross multiply
    195,634.40x = 293,365.20 × 77,266.40
  4. Step 4: Simplify right side
    195,634.40x = 22,667,272,889.28
  5. Step 5: Solve for x
    x = 22,667,272,889.28/195,634.40
  6. Step 6: Final answer
    x = 115,865.48

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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.