Home / 177,286.92-265,980.42-72,181.32

Finding the Fourth Proportional to 177,286.92, 265,980.42 and 72,181.32

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Solution

The fourth proportional to 177,286.92, 265,980.42 and 72,181.32 is: 108,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,286.92 : 265,980.42 = 72,181.32 : x
  2. Step 2: Convert to fraction form
    177,286.92/265,980.42 = 72,181.32/x
  3. Step 3: Cross multiply
    177,286.92x = 265,980.42 × 72,181.32
  4. Step 4: Simplify right side
    177,286.92x = 19,198,817,809.75
  5. Step 5: Solve for x
    x = 19,198,817,809.75/177,286.92
  6. Step 6: Final answer
    x = 108,292.35

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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.