Home / 112,192-154,827.89-61,205.56

Finding the Fourth Proportional to 112,192, 154,827.89 and 61,205.56

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Solution

The fourth proportional to 112,192, 154,827.89 and 61,205.56 is: 84,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192 : 154,827.89 = 61,205.56 : x
  2. Step 2: Convert to fraction form
    112,192/154,827.89 = 61,205.56/x
  3. Step 3: Cross multiply
    112,192x = 154,827.89 × 61,205.56
  4. Step 4: Simplify right side
    112,192x = 9,476,327,711.07
  5. Step 5: Solve for x
    x = 9,476,327,711.07/112,192
  6. Step 6: Final answer
    x = 84,465.27

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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.