Home / 160,215.94-221,099.43-88,600.78

Finding the Fourth Proportional to 160,215.94, 221,099.43 and 88,600.78

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Solution

The fourth proportional to 160,215.94, 221,099.43 and 88,600.78 is: 122,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,215.94 : 221,099.43 = 88,600.78 : x
  2. Step 2: Convert to fraction form
    160,215.94/221,099.43 = 88,600.78/x
  3. Step 3: Cross multiply
    160,215.94x = 221,099.43 × 88,600.78
  4. Step 4: Simplify right side
    160,215.94x = 19,589,581,955.56
  5. Step 5: Solve for x
    x = 19,589,581,955.56/160,215.94
  6. Step 6: Final answer
    x = 122,269.87

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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.