Home / 147,375.48-203,381.46-86,960.82

Finding the Fourth Proportional to 147,375.48, 203,381.46 and 86,960.82

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Solution

The fourth proportional to 147,375.48, 203,381.46 and 86,960.82 is: 120,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,375.48 : 203,381.46 = 86,960.82 : x
  2. Step 2: Convert to fraction form
    147,375.48/203,381.46 = 86,960.82/x
  3. Step 3: Cross multiply
    147,375.48x = 203,381.46 × 86,960.82
  4. Step 4: Simplify right side
    147,375.48x = 17,686,218,534.40
  5. Step 5: Solve for x
    x = 17,686,218,534.40/147,375.48
  6. Step 6: Final answer
    x = 120,007.88

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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.