Home / 171,611.29-236,683.17-120,792.25

Finding the Fourth Proportional to 171,611.29, 236,683.17 and 120,792.25

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Solution

The fourth proportional to 171,611.29, 236,683.17 and 120,792.25 is: 166,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,611.29 : 236,683.17 = 120,792.25 : x
  2. Step 2: Convert to fraction form
    171,611.29/236,683.17 = 120,792.25/x
  3. Step 3: Cross multiply
    171,611.29x = 236,683.17 × 120,792.25
  4. Step 4: Simplify right side
    171,611.29x = 28,589,492,641.43
  5. Step 5: Solve for x
    x = 28,589,492,641.43/171,611.29
  6. Step 6: Final answer
    x = 166,594.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.