Home / 123,455.19-185,193.72-34,709.47

Finding the Fourth Proportional to 123,455.19, 185,193.72 and 34,709.47

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Solution

The fourth proportional to 123,455.19, 185,193.72 and 34,709.47 is: 52,067.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,455.19 : 185,193.72 = 34,709.47 : x
  2. Step 2: Convert to fraction form
    123,455.19/185,193.72 = 34,709.47/x
  3. Step 3: Cross multiply
    123,455.19x = 185,193.72 × 34,709.47
  4. Step 4: Simplify right side
    123,455.19x = 6,427,975,868.53
  5. Step 5: Solve for x
    x = 6,427,975,868.53/123,455.19
  6. Step 6: Final answer
    x = 52,067.28

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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.