Home / 156,541.41-234,811.31-38,213.37

Finding the Fourth Proportional to 156,541.41, 234,811.31 and 38,213.37

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Solution

The fourth proportional to 156,541.41, 234,811.31 and 38,213.37 is: 57,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,541.41 : 234,811.31 = 38,213.37 : x
  2. Step 2: Convert to fraction form
    156,541.41/234,811.31 = 38,213.37/x
  3. Step 3: Cross multiply
    156,541.41x = 234,811.31 × 38,213.37
  4. Step 4: Simplify right side
    156,541.41x = 8,972,931,278.15
  5. Step 5: Solve for x
    x = 8,972,931,278.15/156,541.41
  6. Step 6: Final answer
    x = 57,319.86

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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.