Home / 137,692.48-206,569.12-54,584.32

Finding the Fourth Proportional to 137,692.48, 206,569.12 and 54,584.32

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Solution

The fourth proportional to 137,692.48, 206,569.12 and 54,584.32 is: 81,888.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,692.48 : 206,569.12 = 54,584.32 : x
  2. Step 2: Convert to fraction form
    137,692.48/206,569.12 = 54,584.32/x
  3. Step 3: Cross multiply
    137,692.48x = 206,569.12 × 54,584.32
  4. Step 4: Simplify right side
    137,692.48x = 11,275,434,948.20
  5. Step 5: Solve for x
    x = 11,275,434,948.20/137,692.48
  6. Step 6: Final answer
    x = 81,888.53

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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.