Home / 158,808.06-219,257.67-98,442.90

Finding the Fourth Proportional to 158,808.06, 219,257.67 and 98,442.90

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Solution

The fourth proportional to 158,808.06, 219,257.67 and 98,442.90 is: 135,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,808.06 : 219,257.67 = 98,442.90 : x
  2. Step 2: Convert to fraction form
    158,808.06/219,257.67 = 98,442.90/x
  3. Step 3: Cross multiply
    158,808.06x = 219,257.67 × 98,442.90
  4. Step 4: Simplify right side
    158,808.06x = 21,584,360,882.04
  5. Step 5: Solve for x
    x = 21,584,360,882.04/158,808.06
  6. Step 6: Final answer
    x = 135,914.77

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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.