Home / 108,269.76-162,400.86-38,147.52

Finding the Fourth Proportional to 108,269.76, 162,400.86 and 38,147.52

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Solution

The fourth proportional to 108,269.76, 162,400.86 and 38,147.52 is: 57,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,269.76 : 162,400.86 = 38,147.52 : x
  2. Step 2: Convert to fraction form
    108,269.76/162,400.86 = 38,147.52/x
  3. Step 3: Cross multiply
    108,269.76x = 162,400.86 × 38,147.52
  4. Step 4: Simplify right side
    108,269.76x = 6,195,190,054.87
  5. Step 5: Solve for x
    x = 6,195,190,054.87/108,269.76
  6. Step 6: Final answer
    x = 57,219.95

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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.