Home / 137,513.80-206,329.51-57,570.44

Finding the Fourth Proportional to 137,513.80, 206,329.51 and 57,570.44

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Solution

The fourth proportional to 137,513.80, 206,329.51 and 57,570.44 is: 86,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,513.80 : 206,329.51 = 57,570.44 : x
  2. Step 2: Convert to fraction form
    137,513.80/206,329.51 = 57,570.44/x
  3. Step 3: Cross multiply
    137,513.80x = 206,329.51 × 57,570.44
  4. Step 4: Simplify right side
    137,513.80x = 11,878,480,675.68
  5. Step 5: Solve for x
    x = 11,878,480,675.68/137,513.80
  6. Step 6: Final answer
    x = 86,380.28

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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.