Home / 120,886.97-181,366.68-48,802.77

Finding the Fourth Proportional to 120,886.97, 181,366.68 and 48,802.77

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Solution

The fourth proportional to 120,886.97, 181,366.68 and 48,802.77 is: 73,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,886.97 : 181,366.68 = 48,802.77 : x
  2. Step 2: Convert to fraction form
    120,886.97/181,366.68 = 48,802.77/x
  3. Step 3: Cross multiply
    120,886.97x = 181,366.68 × 48,802.77
  4. Step 4: Simplify right side
    120,886.97x = 8,851,196,369.70
  5. Step 5: Solve for x
    x = 8,851,196,369.70/120,886.97
  6. Step 6: Final answer
    x = 73,218.78

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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.