Home / 232,438.15-348,656.66-131,190.30

Finding the Fourth Proportional to 232,438.15, 348,656.66 and 131,190.30

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Solution

The fourth proportional to 232,438.15, 348,656.66 and 131,190.30 is: 196,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,438.15 : 348,656.66 = 131,190.30 : x
  2. Step 2: Convert to fraction form
    232,438.15/348,656.66 = 131,190.30/x
  3. Step 3: Cross multiply
    232,438.15x = 348,656.66 × 131,190.30
  4. Step 4: Simplify right side
    232,438.15x = 45,740,372,965.87
  5. Step 5: Solve for x
    x = 45,740,372,965.87/232,438.15
  6. Step 6: Final answer
    x = 196,785.13

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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.