Home / 117,161.14-175,705.38-42,271.56

Finding the Fourth Proportional to 117,161.14, 175,705.38 and 42,271.56

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Solution

The fourth proportional to 117,161.14, 175,705.38 and 42,271.56 is: 63,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.14 : 175,705.38 = 42,271.56 : x
  2. Step 2: Convert to fraction form
    117,161.14/175,705.38 = 42,271.56/x
  3. Step 3: Cross multiply
    117,161.14x = 175,705.38 × 42,271.56
  4. Step 4: Simplify right side
    117,161.14x = 7,427,340,512.99
  5. Step 5: Solve for x
    x = 7,427,340,512.99/117,161.14
  6. Step 6: Final answer
    x = 63,394.23

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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.