Home / 112,122.09-168,134.34-32,142.42

Finding the Fourth Proportional to 112,122.09, 168,134.34 and 32,142.42

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Solution

The fourth proportional to 112,122.09, 168,134.34 and 32,142.42 is: 48,199.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.09 : 168,134.34 = 32,142.42 : x
  2. Step 2: Convert to fraction form
    112,122.09/168,134.34 = 32,142.42/x
  3. Step 3: Cross multiply
    112,122.09x = 168,134.34 × 32,142.42
  4. Step 4: Simplify right side
    112,122.09x = 5,404,244,572.70
  5. Step 5: Solve for x
    x = 5,404,244,572.70/112,122.09
  6. Step 6: Final answer
    x = 48,199.64

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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.