Home / 323,736.12-485,586.86-99,096.66

Finding the Fourth Proportional to 323,736.12, 485,586.86 and 99,096.66

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Solution

The fourth proportional to 323,736.12, 485,586.86 and 99,096.66 is: 148,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,736.12 : 485,586.86 = 99,096.66 : x
  2. Step 2: Convert to fraction form
    323,736.12/485,586.86 = 99,096.66/x
  3. Step 3: Cross multiply
    323,736.12x = 485,586.86 × 99,096.66
  4. Step 4: Simplify right side
    323,736.12x = 48,120,035,470.40
  5. Step 5: Solve for x
    x = 48,120,035,470.40/323,736.12
  6. Step 6: Final answer
    x = 148,639.69

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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.