Home / 114,862.89-172,181.86-64,286.62

Finding the Fourth Proportional to 114,862.89, 172,181.86 and 64,286.62

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Solution

The fourth proportional to 114,862.89, 172,181.86 and 64,286.62 is: 96,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,862.89 : 172,181.86 = 64,286.62 : x
  2. Step 2: Convert to fraction form
    114,862.89/172,181.86 = 64,286.62/x
  3. Step 3: Cross multiply
    114,862.89x = 172,181.86 × 64,286.62
  4. Step 4: Simplify right side
    114,862.89x = 11,068,989,859.22
  5. Step 5: Solve for x
    x = 11,068,989,859.22/114,862.89
  6. Step 6: Final answer
    x = 96,366.98

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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.