Home / 141,415.17-195,151.19-77,752.41

Finding the Fourth Proportional to 141,415.17, 195,151.19 and 77,752.41

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Solution

The fourth proportional to 141,415.17, 195,151.19 and 77,752.41 is: 107,297.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,415.17 : 195,151.19 = 77,752.41 : x
  2. Step 2: Convert to fraction form
    141,415.17/195,151.19 = 77,752.41/x
  3. Step 3: Cross multiply
    141,415.17x = 195,151.19 × 77,752.41
  4. Step 4: Simplify right side
    141,415.17x = 15,173,474,948.11
  5. Step 5: Solve for x
    x = 15,173,474,948.11/141,415.17
  6. Step 6: Final answer
    x = 107,297.36

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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.