Home / 141,563.10-195,352.11-77,899.26

Finding the Fourth Proportional to 141,563.10, 195,352.11 and 77,899.26

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Solution

The fourth proportional to 141,563.10, 195,352.11 and 77,899.26 is: 107,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.10 : 195,352.11 = 77,899.26 : x
  2. Step 2: Convert to fraction form
    141,563.10/195,352.11 = 77,899.26/x
  3. Step 3: Cross multiply
    141,563.10x = 195,352.11 × 77,899.26
  4. Step 4: Simplify right side
    141,563.10x = 15,217,784,808.44
  5. Step 5: Solve for x
    x = 15,217,784,808.44/141,563.10
  6. Step 6: Final answer
    x = 107,498.25

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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.