Home / 119,348.82-164,702.52-65,634.21

Finding the Fourth Proportional to 119,348.82, 164,702.52 and 65,634.21

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Solution

The fourth proportional to 119,348.82, 164,702.52 and 65,634.21 is: 90,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,348.82 : 164,702.52 = 65,634.21 : x
  2. Step 2: Convert to fraction form
    119,348.82/164,702.52 = 65,634.21/x
  3. Step 3: Cross multiply
    119,348.82x = 164,702.52 × 65,634.21
  4. Step 4: Simplify right side
    119,348.82x = 10,810,119,785.21
  5. Step 5: Solve for x
    x = 10,810,119,785.21/119,348.82
  6. Step 6: Final answer
    x = 90,575.84

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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.