Home / 125,538.08-188,307.12-36,791.60

Finding the Fourth Proportional to 125,538.08, 188,307.12 and 36,791.60

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Solution

The fourth proportional to 125,538.08, 188,307.12 and 36,791.60 is: 55,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,538.08 : 188,307.12 = 36,791.60 : x
  2. Step 2: Convert to fraction form
    125,538.08/188,307.12 = 36,791.60/x
  3. Step 3: Cross multiply
    125,538.08x = 188,307.12 × 36,791.60
  4. Step 4: Simplify right side
    125,538.08x = 6,928,120,236.19
  5. Step 5: Solve for x
    x = 6,928,120,236.19/125,538.08
  6. Step 6: Final answer
    x = 55,187.40

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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.