Home / 112,199.38-154,835.13-61,898.38

Finding the Fourth Proportional to 112,199.38, 154,835.13 and 61,898.38

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Solution

The fourth proportional to 112,199.38, 154,835.13 and 61,898.38 is: 85,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,199.38 : 154,835.13 = 61,898.38 : x
  2. Step 2: Convert to fraction form
    112,199.38/154,835.13 = 61,898.38/x
  3. Step 3: Cross multiply
    112,199.38x = 154,835.13 × 61,898.38
  4. Step 4: Simplify right side
    112,199.38x = 9,584,043,714.09
  5. Step 5: Solve for x
    x = 9,584,043,714.09/112,199.38
  6. Step 6: Final answer
    x = 85,419.76

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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.