Home / 195,392.12-292,935.07-77,151.96

Finding the Fourth Proportional to 195,392.12, 292,935.07 and 77,151.96

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Solution

The fourth proportional to 195,392.12, 292,935.07 and 77,151.96 is: 115,667.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,392.12 : 292,935.07 = 77,151.96 : x
  2. Step 2: Convert to fraction form
    195,392.12/292,935.07 = 77,151.96/x
  3. Step 3: Cross multiply
    195,392.12x = 292,935.07 × 77,151.96
  4. Step 4: Simplify right side
    195,392.12x = 22,600,515,289.58
  5. Step 5: Solve for x
    x = 22,600,515,289.58/195,392.12
  6. Step 6: Final answer
    x = 115,667.49

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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.