Home / 158,731.44-218,993.40-97,456.56

Finding the Fourth Proportional to 158,731.44, 218,993.40 and 97,456.56

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Solution

The fourth proportional to 158,731.44, 218,993.40 and 97,456.56 is: 134,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,731.44 : 218,993.40 = 97,456.56 : x
  2. Step 2: Convert to fraction form
    158,731.44/218,993.40 = 97,456.56/x
  3. Step 3: Cross multiply
    158,731.44x = 218,993.40 × 97,456.56
  4. Step 4: Simplify right side
    158,731.44x = 21,342,343,426.70
  5. Step 5: Solve for x
    x = 21,342,343,426.70/158,731.44
  6. Step 6: Final answer
    x = 134,455.68

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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.