Home / 156,111.18-234,191.16-50,905.68

Finding the Fourth Proportional to 156,111.18, 234,191.16 and 50,905.68

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Solution

The fourth proportional to 156,111.18, 234,191.16 and 50,905.68 is: 76,366.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,111.18 : 234,191.16 = 50,905.68 : x
  2. Step 2: Convert to fraction form
    156,111.18/234,191.16 = 50,905.68/x
  3. Step 3: Cross multiply
    156,111.18x = 234,191.16 × 50,905.68
  4. Step 4: Simplify right side
    156,111.18x = 11,921,660,249.79
  5. Step 5: Solve for x
    x = 11,921,660,249.79/156,111.18
  6. Step 6: Final answer
    x = 76,366.47

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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.