Home / 141,965.54-213,079.52-71,894.06

Finding the Fourth Proportional to 141,965.54, 213,079.52 and 71,894.06

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Solution

The fourth proportional to 141,965.54, 213,079.52 and 71,894.06 is: 107,907.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,965.54 : 213,079.52 = 71,894.06 : x
  2. Step 2: Convert to fraction form
    141,965.54/213,079.52 = 71,894.06/x
  3. Step 3: Cross multiply
    141,965.54x = 213,079.52 × 71,894.06
  4. Step 4: Simplify right side
    141,965.54x = 15,319,150,909.99
  5. Step 5: Solve for x
    x = 15,319,150,909.99/141,965.54
  6. Step 6: Final answer
    x = 107,907.53

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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.