Home / 275,539.17-380,300.04-159,257.61

Finding the Fourth Proportional to 275,539.17, 380,300.04 and 159,257.61

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Solution

The fourth proportional to 275,539.17, 380,300.04 and 159,257.61 is: 219,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,539.17 : 380,300.04 = 159,257.61 : x
  2. Step 2: Convert to fraction form
    275,539.17/380,300.04 = 159,257.61/x
  3. Step 3: Cross multiply
    275,539.17x = 380,300.04 × 159,257.61
  4. Step 4: Simplify right side
    275,539.17x = 60,565,675,453.30
  5. Step 5: Solve for x
    x = 60,565,675,453.30/275,539.17
  6. Step 6: Final answer
    x = 219,807.86

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1.5x scale

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.