Home / 171,439.96-257,176.84-59,105.36

Finding the Fourth Proportional to 171,439.96, 257,176.84 and 59,105.36

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Solution

The fourth proportional to 171,439.96, 257,176.84 and 59,105.36 is: 88,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,439.96 : 257,176.84 = 59,105.36 : x
  2. Step 2: Convert to fraction form
    171,439.96/257,176.84 = 59,105.36/x
  3. Step 3: Cross multiply
    171,439.96x = 257,176.84 × 59,105.36
  4. Step 4: Simplify right side
    171,439.96x = 15,200,529,711.86
  5. Step 5: Solve for x
    x = 15,200,529,711.86/171,439.96
  6. Step 6: Final answer
    x = 88,663.87

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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.