Home / 101,165.40-151,748.10-53,926.20

Finding the Fourth Proportional to 101,165.40, 151,748.10 and 53,926.20

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Solution

The fourth proportional to 101,165.40, 151,748.10 and 53,926.20 is: 80,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,165.40 : 151,748.10 = 53,926.20 : x
  2. Step 2: Convert to fraction form
    101,165.40/151,748.10 = 53,926.20/x
  3. Step 3: Cross multiply
    101,165.40x = 151,748.10 × 53,926.20
  4. Step 4: Simplify right side
    101,165.40x = 8,183,198,390.22
  5. Step 5: Solve for x
    x = 8,183,198,390.22/101,165.40
  6. Step 6: Final answer
    x = 80,889.30

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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.