Home / 203,215.23-304,832.57-98,122.59

Finding the Fourth Proportional to 203,215.23, 304,832.57 and 98,122.59

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Solution

The fourth proportional to 203,215.23, 304,832.57 and 98,122.59 is: 147,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,215.23 : 304,832.57 = 98,122.59 : x
  2. Step 2: Convert to fraction form
    203,215.23/304,832.57 = 98,122.59/x
  3. Step 3: Cross multiply
    203,215.23x = 304,832.57 × 98,122.59
  4. Step 4: Simplify right side
    203,215.23x = 29,910,960,794.14
  5. Step 5: Solve for x
    x = 29,910,960,794.14/203,215.23
  6. Step 6: Final answer
    x = 147,188.58

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1.5x scale

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.