Home / 107,109.72-160,672.92-28,223.04

Finding the Fourth Proportional to 107,109.72, 160,672.92 and 28,223.04

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Solution

The fourth proportional to 107,109.72, 160,672.92 and 28,223.04 is: 42,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,109.72 : 160,672.92 = 28,223.04 : x
  2. Step 2: Convert to fraction form
    107,109.72/160,672.92 = 28,223.04/x
  3. Step 3: Cross multiply
    107,109.72x = 160,672.92 × 28,223.04
  4. Step 4: Simplify right side
    107,109.72x = 4,534,678,248.08
  5. Step 5: Solve for x
    x = 4,534,678,248.08/107,109.72
  6. Step 6: Final answer
    x = 42,336.76

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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.