Home / 158,372.18-218,626.54-93,837.14

Finding the Fourth Proportional to 158,372.18, 218,626.54 and 93,837.14

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Solution

The fourth proportional to 158,372.18, 218,626.54 and 93,837.14 is: 129,538.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,372.18 : 218,626.54 = 93,837.14 : x
  2. Step 2: Convert to fraction form
    158,372.18/218,626.54 = 93,837.14/x
  3. Step 3: Cross multiply
    158,372.18x = 218,626.54 × 93,837.14
  4. Step 4: Simplify right side
    158,372.18x = 20,515,289,241.70
  5. Step 5: Solve for x
    x = 20,515,289,241.70/158,372.18
  6. Step 6: Final answer
    x = 129,538.47

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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.