Home / 134,896.80-186,156.52-74,467.43

Finding the Fourth Proportional to 134,896.80, 186,156.52 and 74,467.43

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Solution

The fourth proportional to 134,896.80, 186,156.52 and 74,467.43 is: 102,764.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,896.80 : 186,156.52 = 74,467.43 : x
  2. Step 2: Convert to fraction form
    134,896.80/186,156.52 = 74,467.43/x
  3. Step 3: Cross multiply
    134,896.80x = 186,156.52 × 74,467.43
  4. Step 4: Simplify right side
    134,896.80x = 13,862,597,622.14
  5. Step 5: Solve for x
    x = 13,862,597,622.14/134,896.80
  6. Step 6: Final answer
    x = 102,764.47

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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.