Home / 141,921.16-195,898.66-84,578.46

Finding the Fourth Proportional to 141,921.16, 195,898.66 and 84,578.46

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Solution

The fourth proportional to 141,921.16, 195,898.66 and 84,578.46 is: 116,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,921.16 : 195,898.66 = 84,578.46 : x
  2. Step 2: Convert to fraction form
    141,921.16/195,898.66 = 84,578.46/x
  3. Step 3: Cross multiply
    141,921.16x = 195,898.66 × 84,578.46
  4. Step 4: Simplify right side
    141,921.16x = 16,568,806,978.86
  5. Step 5: Solve for x
    x = 16,568,806,978.86/141,921.16
  6. Step 6: Final answer
    x = 116,746.56

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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.