Home / 193,917.40-291,005.70-88,682.20

Finding the Fourth Proportional to 193,917.40, 291,005.70 and 88,682.20

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Solution

The fourth proportional to 193,917.40, 291,005.70 and 88,682.20 is: 133,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,917.40 : 291,005.70 = 88,682.20 : x
  2. Step 2: Convert to fraction form
    193,917.40/291,005.70 = 88,682.20/x
  3. Step 3: Cross multiply
    193,917.40x = 291,005.70 × 88,682.20
  4. Step 4: Simplify right side
    193,917.40x = 25,807,025,688.54
  5. Step 5: Solve for x
    x = 25,807,025,688.54/193,917.40
  6. Step 6: Final answer
    x = 133,082.57

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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.