Home / 158,528.46-218,791.62-98,118.48

Finding the Fourth Proportional to 158,528.46, 218,791.62 and 98,118.48

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Solution

The fourth proportional to 158,528.46, 218,791.62 and 98,118.48 is: 135,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,528.46 : 218,791.62 = 98,118.48 : x
  2. Step 2: Convert to fraction form
    158,528.46/218,791.62 = 98,118.48/x
  3. Step 3: Cross multiply
    158,528.46x = 218,791.62 × 98,118.48
  4. Step 4: Simplify right side
    158,528.46x = 21,467,501,191.14
  5. Step 5: Solve for x
    x = 21,467,501,191.14/158,528.46
  6. Step 6: Final answer
    x = 135,417.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.