Home / 177,318.30-265,977.45-72,212.70

Finding the Fourth Proportional to 177,318.30, 265,977.45 and 72,212.70

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Solution

The fourth proportional to 177,318.30, 265,977.45 and 72,212.70 is: 108,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,318.30 : 265,977.45 = 72,212.70 : x
  2. Step 2: Convert to fraction form
    177,318.30/265,977.45 = 72,212.70/x
  3. Step 3: Cross multiply
    177,318.30x = 265,977.45 × 72,212.70
  4. Step 4: Simplify right side
    177,318.30x = 19,206,949,803.62
  5. Step 5: Solve for x
    x = 19,206,949,803.62/177,318.30
  6. Step 6: Final answer
    x = 108,319.05

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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.