Home / 125,200.26-187,740.99-72,625.86

Finding the Fourth Proportional to 125,200.26, 187,740.99 and 72,625.86

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Solution

The fourth proportional to 125,200.26, 187,740.99 and 72,625.86 is: 108,904.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,200.26 : 187,740.99 = 72,625.86 : x
  2. Step 2: Convert to fraction form
    125,200.26/187,740.99 = 72,625.86/x
  3. Step 3: Cross multiply
    125,200.26x = 187,740.99 × 72,625.86
  4. Step 4: Simplify right side
    125,200.26x = 13,634,850,856.00
  5. Step 5: Solve for x
    x = 13,634,850,856.00/125,200.26
  6. Step 6: Final answer
    x = 108,904.33

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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.