Home / 603,440.52-905,160.75-154,162.36

Finding the Fourth Proportional to 603,440.52, 905,160.75 and 154,162.36

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Solution

The fourth proportional to 603,440.52, 905,160.75 and 154,162.36 is: 231,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,440.52 : 905,160.75 = 154,162.36 : x
  2. Step 2: Convert to fraction form
    603,440.52/905,160.75 = 154,162.36/x
  3. Step 3: Cross multiply
    603,440.52x = 905,160.75 × 154,162.36
  4. Step 4: Simplify right side
    603,440.52x = 139,541,717,399.37
  5. Step 5: Solve for x
    x = 139,541,717,399.37/603,440.52
  6. Step 6: Final answer
    x = 231,243.53

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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.