Home / 125,569.20-188,378.10-36,825.60

Finding the Fourth Proportional to 125,569.20, 188,378.10 and 36,825.60

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Solution

The fourth proportional to 125,569.20, 188,378.10 and 36,825.60 is: 55,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569.20 : 188,378.10 = 36,825.60 : x
  2. Step 2: Convert to fraction form
    125,569.20/188,378.10 = 36,825.60/x
  3. Step 3: Cross multiply
    125,569.20x = 188,378.10 × 36,825.60
  4. Step 4: Simplify right side
    125,569.20x = 6,937,136,559.36
  5. Step 5: Solve for x
    x = 6,937,136,559.36/125,569.20
  6. Step 6: Final answer
    x = 55,245.53

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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.