Home / 156,416.49-234,620.16-38,086.11

Finding the Fourth Proportional to 156,416.49, 234,620.16 and 38,086.11

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Solution

The fourth proportional to 156,416.49, 234,620.16 and 38,086.11 is: 57,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,416.49 : 234,620.16 = 38,086.11 : x
  2. Step 2: Convert to fraction form
    156,416.49/234,620.16 = 38,086.11/x
  3. Step 3: Cross multiply
    156,416.49x = 234,620.16 × 38,086.11
  4. Step 4: Simplify right side
    156,416.49x = 8,935,769,221.98
  5. Step 5: Solve for x
    x = 8,935,769,221.98/156,416.49
  6. Step 6: Final answer
    x = 57,128.05

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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.