Home / 109,685.35-164,507.21-53,468.92

Finding the Fourth Proportional to 109,685.35, 164,507.21 and 53,468.92

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Solution

The fourth proportional to 109,685.35, 164,507.21 and 53,468.92 is: 80,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.35 : 164,507.21 = 53,468.92 : x
  2. Step 2: Convert to fraction form
    109,685.35/164,507.21 = 53,468.92/x
  3. Step 3: Cross multiply
    109,685.35x = 164,507.21 × 53,468.92
  4. Step 4: Simplify right side
    109,685.35x = 8,796,022,850.91
  5. Step 5: Solve for x
    x = 8,796,022,850.91/109,685.35
  6. Step 6: Final answer
    x = 80,193.23

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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.