Home / 162,440.49-243,632.79-44,121.36

Finding the Fourth Proportional to 162,440.49, 243,632.79 and 44,121.36

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Solution

The fourth proportional to 162,440.49, 243,632.79 and 44,121.36 is: 66,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,440.49 : 243,632.79 = 44,121.36 : x
  2. Step 2: Convert to fraction form
    162,440.49/243,632.79 = 44,121.36/x
  3. Step 3: Cross multiply
    162,440.49x = 243,632.79 × 44,121.36
  4. Step 4: Simplify right side
    162,440.49x = 10,749,410,035.39
  5. Step 5: Solve for x
    x = 10,749,410,035.39/162,440.49
  6. Step 6: Final answer
    x = 66,174.45

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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.