Home / 125,515.12-188,298.60-36,771.52

Finding the Fourth Proportional to 125,515.12, 188,298.60 and 36,771.52

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Solution

The fourth proportional to 125,515.12, 188,298.60 and 36,771.52 is: 55,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,515.12 : 188,298.60 = 36,771.52 : x
  2. Step 2: Convert to fraction form
    125,515.12/188,298.60 = 36,771.52/x
  3. Step 3: Cross multiply
    125,515.12x = 188,298.60 × 36,771.52
  4. Step 4: Simplify right side
    125,515.12x = 6,924,025,735.87
  5. Step 5: Solve for x
    x = 6,924,025,735.87/125,515.12
  6. Step 6: Final answer
    x = 55,164.87

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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.