Home / 125,936.26-173,735.81-85,087.20

Finding the Fourth Proportional to 125,936.26, 173,735.81 and 85,087.20

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Solution

The fourth proportional to 125,936.26, 173,735.81 and 85,087.20 is: 117,382.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.26 : 173,735.81 = 85,087.20 : x
  2. Step 2: Convert to fraction form
    125,936.26/173,735.81 = 85,087.20/x
  3. Step 3: Cross multiply
    125,936.26x = 173,735.81 × 85,087.20
  4. Step 4: Simplify right side
    125,936.26x = 14,782,693,175.51
  5. Step 5: Solve for x
    x = 14,782,693,175.51/125,936.26
  6. Step 6: Final answer
    x = 117,382.35

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1.5x scale

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.