Home / 158,491.14-218,740.20-98,081.24

Finding the Fourth Proportional to 158,491.14, 218,740.20 and 98,081.24

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Solution

The fourth proportional to 158,491.14, 218,740.20 and 98,081.24 is: 135,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,491.14 : 218,740.20 = 98,081.24 : x
  2. Step 2: Convert to fraction form
    158,491.14/218,740.20 = 98,081.24/x
  3. Step 3: Cross multiply
    158,491.14x = 218,740.20 × 98,081.24
  4. Step 4: Simplify right side
    158,491.14x = 21,454,309,412.62
  5. Step 5: Solve for x
    x = 21,454,309,412.62/158,491.14
  6. Step 6: Final answer
    x = 135,365.99

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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.