Home / 327,156.46-490,533.75-127,243.85

Finding the Fourth Proportional to 327,156.46, 490,533.75 and 127,243.85

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Solution

The fourth proportional to 327,156.46, 490,533.75 and 127,243.85 is: 190,787.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,156.46 : 490,533.75 = 127,243.85 : x
  2. Step 2: Convert to fraction form
    327,156.46/490,533.75 = 127,243.85/x
  3. Step 3: Cross multiply
    327,156.46x = 490,533.75 × 127,243.85
  4. Step 4: Simplify right side
    327,156.46x = 62,417,402,904.94
  5. Step 5: Solve for x
    x = 62,417,402,904.94/327,156.46
  6. Step 6: Final answer
    x = 190,787.62

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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.