Home / 156,090.20-234,141.83-49,471.82

Finding the Fourth Proportional to 156,090.20, 234,141.83 and 49,471.82

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Solution

The fourth proportional to 156,090.20, 234,141.83 and 49,471.82 is: 74,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.20 : 234,141.83 = 49,471.82 : x
  2. Step 2: Convert to fraction form
    156,090.20/234,141.83 = 49,471.82/x
  3. Step 3: Cross multiply
    156,090.20x = 234,141.83 × 49,471.82
  4. Step 4: Simplify right side
    156,090.20x = 11,583,423,177.26
  5. Step 5: Solve for x
    x = 11,583,423,177.26/156,090.20
  6. Step 6: Final answer
    x = 74,209.81

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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.