Home / 194,895.52-292,362.38-81,019.78

Finding the Fourth Proportional to 194,895.52, 292,362.38 and 81,019.78

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Solution

The fourth proportional to 194,895.52, 292,362.38 and 81,019.78 is: 121,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,895.52 : 292,362.38 = 81,019.78 : x
  2. Step 2: Convert to fraction form
    194,895.52/292,362.38 = 81,019.78/x
  3. Step 3: Cross multiply
    194,895.52x = 292,362.38 × 81,019.78
  4. Step 4: Simplify right side
    194,895.52x = 23,687,133,840.97
  5. Step 5: Solve for x
    x = 23,687,133,840.97/194,895.52
  6. Step 6: Final answer
    x = 121,537.60

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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.