Home / 125,532.36-173,162.34-75,202.20

Finding the Fourth Proportional to 125,532.36, 173,162.34 and 75,202.20

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Solution

The fourth proportional to 125,532.36, 173,162.34 and 75,202.20 is: 103,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,532.36 : 173,162.34 = 75,202.20 : x
  2. Step 2: Convert to fraction form
    125,532.36/173,162.34 = 75,202.20/x
  3. Step 3: Cross multiply
    125,532.36x = 173,162.34 × 75,202.20
  4. Step 4: Simplify right side
    125,532.36x = 13,022,188,925.15
  5. Step 5: Solve for x
    x = 13,022,188,925.15/125,532.36
  6. Step 6: Final answer
    x = 103,735.71

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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.