Home / 153,983.03-230,996.41-47,375.81

Finding the Fourth Proportional to 153,983.03, 230,996.41 and 47,375.81

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Solution

The fourth proportional to 153,983.03, 230,996.41 and 47,375.81 is: 71,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,983.03 : 230,996.41 = 47,375.81 : x
  2. Step 2: Convert to fraction form
    153,983.03/230,996.41 = 47,375.81/x
  3. Step 3: Cross multiply
    153,983.03x = 230,996.41 × 47,375.81
  4. Step 4: Simplify right side
    153,983.03x = 10,943,642,273.33
  5. Step 5: Solve for x
    x = 10,943,642,273.33/153,983.03
  6. Step 6: Final answer
    x = 71,070.45

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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.