Home / 141,937.66-195,867.37-81,465.74

Finding the Fourth Proportional to 141,937.66, 195,867.37 and 81,465.74

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Solution

The fourth proportional to 141,937.66, 195,867.37 and 81,465.74 is: 112,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937.66 : 195,867.37 = 81,465.74 : x
  2. Step 2: Convert to fraction form
    141,937.66/195,867.37 = 81,465.74/x
  3. Step 3: Cross multiply
    141,937.66x = 195,867.37 × 81,465.74
  4. Step 4: Simplify right side
    141,937.66x = 15,956,480,238.90
  5. Step 5: Solve for x
    x = 15,956,480,238.90/141,937.66
  6. Step 6: Final answer
    x = 112,418.93

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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.