Home / 163,727.73-245,621.30-67,665.11

Finding the Fourth Proportional to 163,727.73, 245,621.30 and 67,665.11

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Solution

The fourth proportional to 163,727.73, 245,621.30 and 67,665.11 is: 101,509.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,727.73 : 245,621.30 = 67,665.11 : x
  2. Step 2: Convert to fraction form
    163,727.73/245,621.30 = 67,665.11/x
  3. Step 3: Cross multiply
    163,727.73x = 245,621.30 × 67,665.11
  4. Step 4: Simplify right side
    163,727.73x = 16,619,990,716.41
  5. Step 5: Solve for x
    x = 16,619,990,716.41/163,727.73
  6. Step 6: Final answer
    x = 101,509.93

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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.