Home / 156,134.38-234,208.05-45,326.38

Finding the Fourth Proportional to 156,134.38, 234,208.05 and 45,326.38

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Solution

The fourth proportional to 156,134.38, 234,208.05 and 45,326.38 is: 67,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,134.38 : 234,208.05 = 45,326.38 : x
  2. Step 2: Convert to fraction form
    156,134.38/234,208.05 = 45,326.38/x
  3. Step 3: Cross multiply
    156,134.38x = 234,208.05 × 45,326.38
  4. Step 4: Simplify right side
    156,134.38x = 10,615,802,846.73
  5. Step 5: Solve for x
    x = 10,615,802,846.73/156,134.38
  6. Step 6: Final answer
    x = 67,991.45

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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.