Home / 124,514.52-186,898.91-91,135.44

Finding the Fourth Proportional to 124,514.52, 186,898.91 and 91,135.44

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Solution

The fourth proportional to 124,514.52, 186,898.91 and 91,135.44 is: 136,796.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,514.52 : 186,898.91 = 91,135.44 : x
  2. Step 2: Convert to fraction form
    124,514.52/186,898.91 = 91,135.44/x
  3. Step 3: Cross multiply
    124,514.52x = 186,898.91 × 91,135.44
  4. Step 4: Simplify right side
    124,514.52x = 17,033,113,942.69
  5. Step 5: Solve for x
    x = 17,033,113,942.69/124,514.52
  6. Step 6: Final answer
    x = 136,796.21

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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.