Home / 125,214.83-187,833.86-45,272.80

Finding the Fourth Proportional to 125,214.83, 187,833.86 and 45,272.80

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Solution

The fourth proportional to 125,214.83, 187,833.86 and 45,272.80 is: 67,913.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,214.83 : 187,833.86 = 45,272.80 : x
  2. Step 2: Convert to fraction form
    125,214.83/187,833.86 = 45,272.80/x
  3. Step 3: Cross multiply
    125,214.83x = 187,833.86 × 45,272.80
  4. Step 4: Simplify right side
    125,214.83x = 8,503,764,081.06
  5. Step 5: Solve for x
    x = 8,503,764,081.06/125,214.83
  6. Step 6: Final answer
    x = 67,913.39

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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.