Home / 112,579.62-169,062.82-99,957.80

Finding the Fourth Proportional to 112,579.62, 169,062.82 and 99,957.80

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Solution

The fourth proportional to 112,579.62, 169,062.82 and 99,957.80 is: 150,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,579.62 : 169,062.82 = 99,957.80 : x
  2. Step 2: Convert to fraction form
    112,579.62/169,062.82 = 99,957.80/x
  3. Step 3: Cross multiply
    112,579.62x = 169,062.82 × 99,957.80
  4. Step 4: Simplify right side
    112,579.62x = 16,899,147,549.00
  5. Step 5: Solve for x
    x = 16,899,147,549.00/112,579.62
  6. Step 6: Final answer
    x = 150,108.41

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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.