Home / 107,145.44-160,728.96-28,265.12

Finding the Fourth Proportional to 107,145.44, 160,728.96 and 28,265.12

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Solution

The fourth proportional to 107,145.44, 160,728.96 and 28,265.12 is: 42,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,145.44 : 160,728.96 = 28,265.12 : x
  2. Step 2: Convert to fraction form
    107,145.44/160,728.96 = 28,265.12/x
  3. Step 3: Cross multiply
    107,145.44x = 160,728.96 × 28,265.12
  4. Step 4: Simplify right side
    107,145.44x = 4,543,023,341.88
  5. Step 5: Solve for x
    x = 4,543,023,341.88/107,145.44
  6. Step 6: Final answer
    x = 42,400.53

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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.