Home / 166,721.32-230,075.43-91,269.82

Finding the Fourth Proportional to 166,721.32, 230,075.43 and 91,269.82

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Solution

The fourth proportional to 166,721.32, 230,075.43 and 91,269.82 is: 125,952.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,721.32 : 230,075.43 = 91,269.82 : x
  2. Step 2: Convert to fraction form
    166,721.32/230,075.43 = 91,269.82/x
  3. Step 3: Cross multiply
    166,721.32x = 230,075.43 × 91,269.82
  4. Step 4: Simplify right side
    166,721.32x = 20,998,943,082.52
  5. Step 5: Solve for x
    x = 20,998,943,082.52/166,721.32
  6. Step 6: Final answer
    x = 125,952.36

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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.