Home / 160,396.35-221,344.28-88,774.83

Finding the Fourth Proportional to 160,396.35, 221,344.28 and 88,774.83

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Solution

The fourth proportional to 160,396.35, 221,344.28 and 88,774.83 is: 122,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,396.35 : 221,344.28 = 88,774.83 : x
  2. Step 2: Convert to fraction form
    160,396.35/221,344.28 = 88,774.83/x
  3. Step 3: Cross multiply
    160,396.35x = 221,344.28 × 88,774.83
  4. Step 4: Simplify right side
    160,396.35x = 19,649,800,717.50
  5. Step 5: Solve for x
    x = 19,649,800,717.50/160,396.35
  6. Step 6: Final answer
    x = 122,507.78

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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.