Home / 153,976.17-230,905.49-73,991.81

Finding the Fourth Proportional to 153,976.17, 230,905.49 and 73,991.81

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Solution

The fourth proportional to 153,976.17, 230,905.49 and 73,991.81 is: 110,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,976.17 : 230,905.49 = 73,991.81 : x
  2. Step 2: Convert to fraction form
    153,976.17/230,905.49 = 73,991.81/x
  3. Step 3: Cross multiply
    153,976.17x = 230,905.49 × 73,991.81
  4. Step 4: Simplify right side
    153,976.17x = 17,085,115,351.34
  5. Step 5: Solve for x
    x = 17,085,115,351.34/153,976.17
  6. Step 6: Final answer
    x = 110,959.47

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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.