Home / 160,774.55-221,882.18-89,177.70

Finding the Fourth Proportional to 160,774.55, 221,882.18 and 89,177.70

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Solution

The fourth proportional to 160,774.55, 221,882.18 and 89,177.70 is: 123,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,774.55 : 221,882.18 = 89,177.70 : x
  2. Step 2: Convert to fraction form
    160,774.55/221,882.18 = 89,177.70/x
  3. Step 3: Cross multiply
    160,774.55x = 221,882.18 × 89,177.70
  4. Step 4: Simplify right side
    160,774.55x = 19,786,942,037.50
  5. Step 5: Solve for x
    x = 19,786,942,037.50/160,774.55
  6. Step 6: Final answer
    x = 123,072.60

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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.