Home / 158,971.44-238,263.48-87,891.24

Finding the Fourth Proportional to 158,971.44, 238,263.48 and 87,891.24

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Solution

The fourth proportional to 158,971.44, 238,263.48 and 87,891.24 is: 131,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,971.44 : 238,263.48 = 87,891.24 : x
  2. Step 2: Convert to fraction form
    158,971.44/238,263.48 = 87,891.24/x
  3. Step 3: Cross multiply
    158,971.44x = 238,263.48 × 87,891.24
  4. Step 4: Simplify right side
    158,971.44x = 20,941,272,703.92
  5. Step 5: Solve for x
    x = 20,941,272,703.92/158,971.44
  6. Step 6: Final answer
    x = 131,729.78

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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.