Home / 177,288.92-265,983.42-72,183.32

Finding the Fourth Proportional to 177,288.92, 265,983.42 and 72,183.32

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Solution

The fourth proportional to 177,288.92, 265,983.42 and 72,183.32 is: 108,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,288.92 : 265,983.42 = 72,183.32 : x
  2. Step 2: Convert to fraction form
    177,288.92/265,983.42 = 72,183.32/x
  3. Step 3: Cross multiply
    177,288.92x = 265,983.42 × 72,183.32
  4. Step 4: Simplify right side
    177,288.92x = 19,199,566,320.55
  5. Step 5: Solve for x
    x = 19,199,566,320.55/177,288.92
  6. Step 6: Final answer
    x = 108,295.35

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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.