Home / 125,162.20-187,797.30-72,616.60

Finding the Fourth Proportional to 125,162.20, 187,797.30 and 72,616.60

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Solution

The fourth proportional to 125,162.20, 187,797.30 and 72,616.60 is: 108,956.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,162.20 : 187,797.30 = 72,616.60 : x
  2. Step 2: Convert to fraction form
    125,162.20/187,797.30 = 72,616.60/x
  3. Step 3: Cross multiply
    125,162.20x = 187,797.30 × 72,616.60
  4. Step 4: Simplify right side
    125,162.20x = 13,637,201,415.18
  5. Step 5: Solve for x
    x = 13,637,201,415.18/125,162.20
  6. Step 6: Final answer
    x = 108,956.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.