Home / 111,950.24-154,484.88-67,229.60

Finding the Fourth Proportional to 111,950.24, 154,484.88 and 67,229.60

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Solution

The fourth proportional to 111,950.24, 154,484.88 and 67,229.60 is: 92,772.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,950.24 : 154,484.88 = 67,229.60 : x
  2. Step 2: Convert to fraction form
    111,950.24/154,484.88 = 67,229.60/x
  3. Step 3: Cross multiply
    111,950.24x = 154,484.88 × 67,229.60
  4. Step 4: Simplify right side
    111,950.24x = 10,385,956,688.45
  5. Step 5: Solve for x
    x = 10,385,956,688.45/111,950.24
  6. Step 6: Final answer
    x = 92,772.97

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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.