Home / 125,639.00-173,453.40-82,743.15

Finding the Fourth Proportional to 125,639.00, 173,453.40 and 82,743.15

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Solution

The fourth proportional to 125,639.00, 173,453.40 and 82,743.15 is: 114,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,639.00 : 173,453.40 = 82,743.15 : x
  2. Step 2: Convert to fraction form
    125,639.00/173,453.40 = 82,743.15/x
  3. Step 3: Cross multiply
    125,639.00x = 173,453.40 × 82,743.15
  4. Step 4: Simplify right side
    125,639.00x = 14,352,081,344.66
  5. Step 5: Solve for x
    x = 14,352,081,344.66/125,639.00
  6. Step 6: Final answer
    x = 114,232.69

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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.