Home / 251,046.08-346,443.20-137,868.83

Finding the Fourth Proportional to 251,046.08, 346,443.20 and 137,868.83

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Solution

The fourth proportional to 251,046.08, 346,443.20 and 137,868.83 is: 190,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,046.08 : 346,443.20 = 137,868.83 : x
  2. Step 2: Convert to fraction form
    251,046.08/346,443.20 = 137,868.83/x
  3. Step 3: Cross multiply
    251,046.08x = 346,443.20 × 137,868.83
  4. Step 4: Simplify right side
    251,046.08x = 47,763,720,376.57
  5. Step 5: Solve for x
    x = 47,763,720,376.57/251,046.08
  6. Step 6: Final answer
    x = 190,258.77

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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.