Home / 134,876.80-202,185.60-104,874.40

Finding the Fourth Proportional to 134,876.80, 202,185.60 and 104,874.40

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Solution

The fourth proportional to 134,876.80, 202,185.60 and 104,874.40 is: 157,210.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,876.80 : 202,185.60 = 104,874.40 : x
  2. Step 2: Convert to fraction form
    134,876.80/202,185.60 = 104,874.40/x
  3. Step 3: Cross multiply
    134,876.80x = 202,185.60 × 104,874.40
  4. Step 4: Simplify right side
    134,876.80x = 21,204,093,488.64
  5. Step 5: Solve for x
    x = 21,204,093,488.64/134,876.80
  6. Step 6: Final answer
    x = 157,210.83

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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.