Home / 114,940.76-172,186.96-64,869.38

Finding the Fourth Proportional to 114,940.76, 172,186.96 and 64,869.38

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Solution

The fourth proportional to 114,940.76, 172,186.96 and 64,869.38 is: 97,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,940.76 : 172,186.96 = 64,869.38 : x
  2. Step 2: Convert to fraction form
    114,940.76/172,186.96 = 64,869.38/x
  3. Step 3: Cross multiply
    114,940.76x = 172,186.96 × 64,869.38
  4. Step 4: Simplify right side
    114,940.76x = 11,169,661,339.28
  5. Step 5: Solve for x
    x = 11,169,661,339.28/114,940.76
  6. Step 6: Final answer
    x = 97,177.55

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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.