Home / 179,161.47-247,160.16-115,519.77

Finding the Fourth Proportional to 179,161.47, 247,160.16 and 115,519.77

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Solution

The fourth proportional to 179,161.47, 247,160.16 and 115,519.77 is: 159,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,161.47 : 247,160.16 = 115,519.77 : x
  2. Step 2: Convert to fraction form
    179,161.47/247,160.16 = 115,519.77/x
  3. Step 3: Cross multiply
    179,161.47x = 247,160.16 × 115,519.77
  4. Step 4: Simplify right side
    179,161.47x = 28,551,884,836.36
  5. Step 5: Solve for x
    x = 28,551,884,836.36/179,161.47
  6. Step 6: Final answer
    x = 159,363.98

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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.