Home / 156,266.43-234,406.13-45,458.43

Finding the Fourth Proportional to 156,266.43, 234,406.13 and 45,458.43

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Solution

The fourth proportional to 156,266.43, 234,406.13 and 45,458.43 is: 68,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,266.43 : 234,406.13 = 45,458.43 : x
  2. Step 2: Convert to fraction form
    156,266.43/234,406.13 = 45,458.43/x
  3. Step 3: Cross multiply
    156,266.43x = 234,406.13 × 45,458.43
  4. Step 4: Simplify right side
    156,266.43x = 10,655,734,424.88
  5. Step 5: Solve for x
    x = 10,655,734,424.88/156,266.43
  6. Step 6: Final answer
    x = 68,189.53

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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.