Home / 112,833.05-169,460.39-99,329.01

Finding the Fourth Proportional to 112,833.05, 169,460.39 and 99,329.01

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Solution

The fourth proportional to 112,833.05, 169,460.39 and 99,329.01 is: 149,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,833.05 : 169,460.39 = 99,329.01 : x
  2. Step 2: Convert to fraction form
    112,833.05/169,460.39 = 99,329.01/x
  3. Step 3: Cross multiply
    112,833.05x = 169,460.39 × 99,329.01
  4. Step 4: Simplify right side
    112,833.05x = 16,832,332,276.27
  5. Step 5: Solve for x
    x = 16,832,332,276.27/112,833.05
  6. Step 6: Final answer
    x = 149,179.09

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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.