Home / 137,862.56-206,740.53-53,611.34

Finding the Fourth Proportional to 137,862.56, 206,740.53 and 53,611.34

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Solution

The fourth proportional to 137,862.56, 206,740.53 and 53,611.34 is: 80,396.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,862.56 : 206,740.53 = 53,611.34 : x
  2. Step 2: Convert to fraction form
    137,862.56/206,740.53 = 53,611.34/x
  3. Step 3: Cross multiply
    137,862.56x = 206,740.53 × 53,611.34
  4. Step 4: Simplify right side
    137,862.56x = 11,083,637,405.50
  5. Step 5: Solve for x
    x = 11,083,637,405.50/137,862.56
  6. Step 6: Final answer
    x = 80,396.28

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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.