Home / 109,318.11-163,995.90-50,158.86

Finding the Fourth Proportional to 109,318.11, 163,995.90 and 50,158.86

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Solution

The fourth proportional to 109,318.11, 163,995.90 and 50,158.86 is: 75,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,318.11 : 163,995.90 = 50,158.86 : x
  2. Step 2: Convert to fraction form
    109,318.11/163,995.90 = 50,158.86/x
  3. Step 3: Cross multiply
    109,318.11x = 163,995.90 × 50,158.86
  4. Step 4: Simplify right side
    109,318.11x = 8,225,847,388.67
  5. Step 5: Solve for x
    x = 8,225,847,388.67/109,318.11
  6. Step 6: Final answer
    x = 75,246.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.