Home / 125,784.88-173,583.96-69,194.80

Finding the Fourth Proportional to 125,784.88, 173,583.96 and 69,194.80

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Solution

The fourth proportional to 125,784.88, 173,583.96 and 69,194.80 is: 95,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,784.88 : 173,583.96 = 69,194.80 : x
  2. Step 2: Convert to fraction form
    125,784.88/173,583.96 = 69,194.80/x
  3. Step 3: Cross multiply
    125,784.88x = 173,583.96 × 69,194.80
  4. Step 4: Simplify right side
    125,784.88x = 12,011,107,395.41
  5. Step 5: Solve for x
    x = 12,011,107,395.41/125,784.88
  6. Step 6: Final answer
    x = 95,489.28

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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.