Home / 135,617.32-203,398.18-51,348.41

Finding the Fourth Proportional to 135,617.32, 203,398.18 and 51,348.41

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Solution

The fourth proportional to 135,617.32, 203,398.18 and 51,348.41 is: 77,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,617.32 : 203,398.18 = 51,348.41 : x
  2. Step 2: Convert to fraction form
    135,617.32/203,398.18 = 51,348.41/x
  3. Step 3: Cross multiply
    135,617.32x = 203,398.18 × 51,348.41
  4. Step 4: Simplify right side
    135,617.32x = 10,444,173,139.89
  5. Step 5: Solve for x
    x = 10,444,173,139.89/135,617.32
  6. Step 6: Final answer
    x = 77,012.09

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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.