Home / 135,106.83-202,701.26-71,916.20

Finding the Fourth Proportional to 135,106.83, 202,701.26 and 71,916.20

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Solution

The fourth proportional to 135,106.83, 202,701.26 and 71,916.20 is: 107,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,106.83 : 202,701.26 = 71,916.20 : x
  2. Step 2: Convert to fraction form
    135,106.83/202,701.26 = 71,916.20/x
  3. Step 3: Cross multiply
    135,106.83x = 202,701.26 × 71,916.20
  4. Step 4: Simplify right side
    135,106.83x = 14,577,504,501.58
  5. Step 5: Solve for x
    x = 14,577,504,501.58/135,106.83
  6. Step 6: Final answer
    x = 107,896.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.