Home / 259,105.92-357,567.36-145,930.56

Finding the Fourth Proportional to 259,105.92, 357,567.36 and 145,930.56

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Solution

The fourth proportional to 259,105.92, 357,567.36 and 145,930.56 is: 201,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,105.92 : 357,567.36 = 145,930.56 : x
  2. Step 2: Convert to fraction form
    259,105.92/357,567.36 = 145,930.56/x
  3. Step 3: Cross multiply
    259,105.92x = 357,567.36 × 145,930.56
  4. Step 4: Simplify right side
    259,105.92x = 52,180,005,082.52
  5. Step 5: Solve for x
    x = 52,180,005,082.52/259,105.92
  6. Step 6: Final answer
    x = 201,384.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.