Home / 107,107.72-160,669.92-28,221.04

Finding the Fourth Proportional to 107,107.72, 160,669.92 and 28,221.04

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Solution

The fourth proportional to 107,107.72, 160,669.92 and 28,221.04 is: 42,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,107.72 : 160,669.92 = 28,221.04 : x
  2. Step 2: Convert to fraction form
    107,107.72/160,669.92 = 28,221.04/x
  3. Step 3: Cross multiply
    107,107.72x = 160,669.92 × 28,221.04
  4. Step 4: Simplify right side
    107,107.72x = 4,534,272,239.12
  5. Step 5: Solve for x
    x = 4,534,272,239.12/107,107.72
  6. Step 6: Final answer
    x = 42,333.76

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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.