Home / 169,799.87-234,328.32-93,321.15

Finding the Fourth Proportional to 169,799.87, 234,328.32 and 93,321.15

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Solution

The fourth proportional to 169,799.87, 234,328.32 and 93,321.15 is: 128,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,799.87 : 234,328.32 = 93,321.15 : x
  2. Step 2: Convert to fraction form
    169,799.87/234,328.32 = 93,321.15/x
  3. Step 3: Cross multiply
    169,799.87x = 234,328.32 × 93,321.15
  4. Step 4: Simplify right side
    169,799.87x = 21,867,788,299.97
  5. Step 5: Solve for x
    x = 21,867,788,299.97/169,799.87
  6. Step 6: Final answer
    x = 128,785.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.