Home / 156,180.81-234,367.61-61,394.41

Finding the Fourth Proportional to 156,180.81, 234,367.61 and 61,394.41

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Solution

The fourth proportional to 156,180.81, 234,367.61 and 61,394.41 is: 92,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,180.81 : 234,367.61 = 61,394.41 : x
  2. Step 2: Convert to fraction form
    156,180.81/234,367.61 = 61,394.41/x
  3. Step 3: Cross multiply
    156,180.81x = 234,367.61 × 61,394.41
  4. Step 4: Simplify right side
    156,180.81x = 14,388,861,139.06
  5. Step 5: Solve for x
    x = 14,388,861,139.06/156,180.81
  6. Step 6: Final answer
    x = 92,129.51

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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.