Home / 171,351.14-257,088.20-76,573.38

Finding the Fourth Proportional to 171,351.14, 257,088.20 and 76,573.38

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Solution

The fourth proportional to 171,351.14, 257,088.20 and 76,573.38 is: 114,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,351.14 : 257,088.20 = 76,573.38 : x
  2. Step 2: Convert to fraction form
    171,351.14/257,088.20 = 76,573.38/x
  3. Step 3: Cross multiply
    171,351.14x = 257,088.20 × 76,573.38
  4. Step 4: Simplify right side
    171,351.14x = 19,686,112,049.25
  5. Step 5: Solve for x
    x = 19,686,112,049.25/171,351.14
  6. Step 6: Final answer
    x = 114,887.55

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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.