Home / 160,658.16-221,704.84-89,037.56

Finding the Fourth Proportional to 160,658.16, 221,704.84 and 89,037.56

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Solution

The fourth proportional to 160,658.16, 221,704.84 and 89,037.56 is: 122,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,658.16 : 221,704.84 = 89,037.56 : x
  2. Step 2: Convert to fraction form
    160,658.16/221,704.84 = 89,037.56/x
  3. Step 3: Cross multiply
    160,658.16x = 221,704.84 × 89,037.56
  4. Step 4: Simplify right side
    160,658.16x = 19,740,057,993.79
  5. Step 5: Solve for x
    x = 19,740,057,993.79/160,658.16
  6. Step 6: Final answer
    x = 122,869.94

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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.