Home / 141,497.88-195,272.22-77,840.52

Finding the Fourth Proportional to 141,497.88, 195,272.22 and 77,840.52

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Solution

The fourth proportional to 141,497.88, 195,272.22 and 77,840.52 is: 107,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,497.88 : 195,272.22 = 77,840.52 : x
  2. Step 2: Convert to fraction form
    141,497.88/195,272.22 = 77,840.52/x
  3. Step 3: Cross multiply
    141,497.88x = 195,272.22 × 77,840.52
  4. Step 4: Simplify right side
    141,497.88x = 15,200,091,146.35
  5. Step 5: Solve for x
    x = 15,200,091,146.35/141,497.88
  6. Step 6: Final answer
    x = 107,422.75

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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.