Home / 156,087.20-234,035.98-61,203.70

Finding the Fourth Proportional to 156,087.20, 234,035.98 and 61,203.70

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Solution

The fourth proportional to 156,087.20, 234,035.98 and 61,203.70 is: 91,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,087.20 : 234,035.98 = 61,203.70 : x
  2. Step 2: Convert to fraction form
    156,087.20/234,035.98 = 61,203.70/x
  3. Step 3: Cross multiply
    156,087.20x = 234,035.98 × 61,203.70
  4. Step 4: Simplify right side
    156,087.20x = 14,323,867,171.03
  5. Step 5: Solve for x
    x = 14,323,867,171.03/156,087.20
  6. Step 6: Final answer
    x = 91,768.37

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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.