Home / 117,161.25-175,705.52-42,271.66

Finding the Fourth Proportional to 117,161.25, 175,705.52 and 42,271.66

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Solution

The fourth proportional to 117,161.25, 175,705.52 and 42,271.66 is: 63,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.25 : 175,705.52 = 42,271.66 : x
  2. Step 2: Convert to fraction form
    117,161.25/175,705.52 = 42,271.66/x
  3. Step 3: Cross multiply
    117,161.25x = 175,705.52 × 42,271.66
  4. Step 4: Simplify right side
    117,161.25x = 7,427,363,790.20
  5. Step 5: Solve for x
    x = 7,427,363,790.20/117,161.25
  6. Step 6: Final answer
    x = 63,394.37

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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.