Home / 167,981.13-251,976.56-43,322.13

Finding the Fourth Proportional to 167,981.13, 251,976.56 and 43,322.13

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Solution

The fourth proportional to 167,981.13, 251,976.56 and 43,322.13 is: 64,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.13 : 251,976.56 = 43,322.13 : x
  2. Step 2: Convert to fraction form
    167,981.13/251,976.56 = 43,322.13/x
  3. Step 3: Cross multiply
    167,981.13x = 251,976.56 × 43,322.13
  4. Step 4: Simplify right side
    167,981.13x = 10,916,161,289.27
  5. Step 5: Solve for x
    x = 10,916,161,289.27/167,981.13
  6. Step 6: Final answer
    x = 64,984.45

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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.