Home / 125,768.78-173,557.26-69,180.14

Finding the Fourth Proportional to 125,768.78, 173,557.26 and 69,180.14

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Solution

The fourth proportional to 125,768.78, 173,557.26 and 69,180.14 is: 95,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,768.78 : 173,557.26 = 69,180.14 : x
  2. Step 2: Convert to fraction form
    125,768.78/173,557.26 = 69,180.14/x
  3. Step 3: Cross multiply
    125,768.78x = 173,557.26 × 69,180.14
  4. Step 4: Simplify right side
    125,768.78x = 12,006,715,544.82
  5. Step 5: Solve for x
    x = 12,006,715,544.82/125,768.78
  6. Step 6: Final answer
    x = 95,466.58

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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.