Home / 141,916.67-195,834.99-78,253.10

Finding the Fourth Proportional to 141,916.67, 195,834.99 and 78,253.10

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Solution

The fourth proportional to 141,916.67, 195,834.99 and 78,253.10 is: 107,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,916.67 : 195,834.99 = 78,253.10 : x
  2. Step 2: Convert to fraction form
    141,916.67/195,834.99 = 78,253.10/x
  3. Step 3: Cross multiply
    141,916.67x = 195,834.99 × 78,253.10
  4. Step 4: Simplify right side
    141,916.67x = 15,324,695,055.97
  5. Step 5: Solve for x
    x = 15,324,695,055.97/141,916.67
  6. Step 6: Final answer
    x = 107,983.76

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1.5x scale

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.