Home / 109,505.10-164,209.65-50,321.10

Finding the Fourth Proportional to 109,505.10, 164,209.65 and 50,321.10

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Solution

The fourth proportional to 109,505.10, 164,209.65 and 50,321.10 is: 75,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,505.10 : 164,209.65 = 50,321.10 : x
  2. Step 2: Convert to fraction form
    109,505.10/164,209.65 = 50,321.10/x
  3. Step 3: Cross multiply
    109,505.10x = 164,209.65 × 50,321.10
  4. Step 4: Simplify right side
    109,505.10x = 8,263,210,218.62
  5. Step 5: Solve for x
    x = 8,263,210,218.62/109,505.10
  6. Step 6: Final answer
    x = 75,459.59

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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.