Home / 127,946.25-191,876.57-42,537.42

Finding the Fourth Proportional to 127,946.25, 191,876.57 and 42,537.42

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Solution

The fourth proportional to 127,946.25, 191,876.57 and 42,537.42 is: 63,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.25 : 191,876.57 = 42,537.42 : x
  2. Step 2: Convert to fraction form
    127,946.25/191,876.57 = 42,537.42/x
  3. Step 3: Cross multiply
    127,946.25x = 191,876.57 × 42,537.42
  4. Step 4: Simplify right side
    127,946.25x = 8,161,934,033.56
  5. Step 5: Solve for x
    x = 8,161,934,033.56/127,946.25
  6. Step 6: Final answer
    x = 63,791.90

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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.