Home / 217,052.10-325,359.45-98,808.30

Finding the Fourth Proportional to 217,052.10, 325,359.45 and 98,808.30

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Solution

The fourth proportional to 217,052.10, 325,359.45 and 98,808.30 is: 148,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,052.10 : 325,359.45 = 98,808.30 : x
  2. Step 2: Convert to fraction form
    217,052.10/325,359.45 = 98,808.30/x
  3. Step 3: Cross multiply
    217,052.10x = 325,359.45 × 98,808.30
  4. Step 4: Simplify right side
    217,052.10x = 32,148,214,143.44
  5. Step 5: Solve for x
    x = 32,148,214,143.44/217,052.10
  6. Step 6: Final answer
    x = 148,112.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.