Home / 292,520.03-438,796.46-82,141.56

Finding the Fourth Proportional to 292,520.03, 438,796.46 and 82,141.56

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Solution

The fourth proportional to 292,520.03, 438,796.46 and 82,141.56 is: 123,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,520.03 : 438,796.46 = 82,141.56 : x
  2. Step 2: Convert to fraction form
    292,520.03/438,796.46 = 82,141.56/x
  3. Step 3: Cross multiply
    292,520.03x = 438,796.46 × 82,141.56
  4. Step 4: Simplify right side
    292,520.03x = 36,043,426,433.16
  5. Step 5: Solve for x
    x = 36,043,426,433.16/292,520.03
  6. Step 6: Final answer
    x = 123,216.95

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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.