Home / 107,330.20-161,006.32-28,444.44

Finding the Fourth Proportional to 107,330.20, 161,006.32 and 28,444.44

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Solution

The fourth proportional to 107,330.20, 161,006.32 and 28,444.44 is: 42,669.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,330.20 : 161,006.32 = 28,444.44 : x
  2. Step 2: Convert to fraction form
    107,330.20/161,006.32 = 28,444.44/x
  3. Step 3: Cross multiply
    107,330.20x = 161,006.32 × 28,444.44
  4. Step 4: Simplify right side
    107,330.20x = 4,579,734,608.86
  5. Step 5: Solve for x
    x = 4,579,734,608.86/107,330.20
  6. Step 6: Final answer
    x = 42,669.58

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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.