Home / 163,078.92-244,417.61-77,734.66

Finding the Fourth Proportional to 163,078.92, 244,417.61 and 77,734.66

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Solution

The fourth proportional to 163,078.92, 244,417.61 and 77,734.66 is: 116,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,078.92 : 244,417.61 = 77,734.66 : x
  2. Step 2: Convert to fraction form
    163,078.92/244,417.61 = 77,734.66/x
  3. Step 3: Cross multiply
    163,078.92x = 244,417.61 × 77,734.66
  4. Step 4: Simplify right side
    163,078.92x = 18,999,718,811.65
  5. Step 5: Solve for x
    x = 18,999,718,811.65/163,078.92
  6. Step 6: Final answer
    x = 116,506.28

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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.