Home / 112,134.48-154,694.52-74,433.84

Finding the Fourth Proportional to 112,134.48, 154,694.52 and 74,433.84

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Solution

The fourth proportional to 112,134.48, 154,694.52 and 74,433.84 is: 102,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134.48 : 154,694.52 = 74,433.84 : x
  2. Step 2: Convert to fraction form
    112,134.48/154,694.52 = 74,433.84/x
  3. Step 3: Cross multiply
    112,134.48x = 154,694.52 × 74,433.84
  4. Step 4: Simplify right side
    112,134.48x = 11,514,507,150.56
  5. Step 5: Solve for x
    x = 11,514,507,150.56/112,134.48
  6. Step 6: Final answer
    x = 102,684.80

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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.