Home / 114,949.76-172,200.45-64,878.38

Finding the Fourth Proportional to 114,949.76, 172,200.45 and 64,878.38

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Solution

The fourth proportional to 114,949.76, 172,200.45 and 64,878.38 is: 97,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,949.76 : 172,200.45 = 64,878.38 : x
  2. Step 2: Convert to fraction form
    114,949.76/172,200.45 = 64,878.38/x
  3. Step 3: Cross multiply
    114,949.76x = 172,200.45 × 64,878.38
  4. Step 4: Simplify right side
    114,949.76x = 11,172,086,231.27
  5. Step 5: Solve for x
    x = 11,172,086,231.27/114,949.76
  6. Step 6: Final answer
    x = 97,191.04

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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.