Home / 98,195.21-147,357.39-53,853.10

Finding the Fourth Proportional to 98,195.21, 147,357.39 and 53,853.10

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Solution

The fourth proportional to 98,195.21, 147,357.39 and 53,853.10 is: 80,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,195.21 : 147,357.39 = 53,853.10 : x
  2. Step 2: Convert to fraction form
    98,195.21/147,357.39 = 53,853.10/x
  3. Step 3: Cross multiply
    98,195.21x = 147,357.39 × 53,853.10
  4. Step 4: Simplify right side
    98,195.21x = 7,935,652,092.96
  5. Step 5: Solve for x
    x = 7,935,652,092.96/98,195.21
  6. Step 6: Final answer
    x = 80,815.06

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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.