Home / 160,037.98-220,849.84-87,439.32

Finding the Fourth Proportional to 160,037.98, 220,849.84 and 87,439.32

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Solution

The fourth proportional to 160,037.98, 220,849.84 and 87,439.32 is: 120,664.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,037.98 : 220,849.84 = 87,439.32 : x
  2. Step 2: Convert to fraction form
    160,037.98/220,849.84 = 87,439.32/x
  3. Step 3: Cross multiply
    160,037.98x = 220,849.84 × 87,439.32
  4. Step 4: Simplify right side
    160,037.98x = 19,310,959,936.09
  5. Step 5: Solve for x
    x = 19,310,959,936.09/160,037.98
  6. Step 6: Final answer
    x = 120,664.86

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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.