Home / 107,410.20-161,115.30-28,532.40

Finding the Fourth Proportional to 107,410.20, 161,115.30 and 28,532.40

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Solution

The fourth proportional to 107,410.20, 161,115.30 and 28,532.40 is: 42,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,410.20 : 161,115.30 = 28,532.40 : x
  2. Step 2: Convert to fraction form
    107,410.20/161,115.30 = 28,532.40/x
  3. Step 3: Cross multiply
    107,410.20x = 161,115.30 × 28,532.40
  4. Step 4: Simplify right side
    107,410.20x = 4,597,006,185.72
  5. Step 5: Solve for x
    x = 4,597,006,185.72/107,410.20
  6. Step 6: Final answer
    x = 42,798.60

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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.