Home / 168,865.73-253,298.88-69,025.83

Finding the Fourth Proportional to 168,865.73, 253,298.88 and 69,025.83

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Solution

The fourth proportional to 168,865.73, 253,298.88 and 69,025.83 is: 103,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,865.73 : 253,298.88 = 69,025.83 : x
  2. Step 2: Convert to fraction form
    168,865.73/253,298.88 = 69,025.83/x
  3. Step 3: Cross multiply
    168,865.73x = 253,298.88 × 69,025.83
  4. Step 4: Simplify right side
    168,865.73x = 17,484,165,430.07
  5. Step 5: Solve for x
    x = 17,484,165,430.07/168,865.73
  6. Step 6: Final answer
    x = 103,538.86

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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.