Home / 147,063.26-202,939.89-83,406.98

Finding the Fourth Proportional to 147,063.26, 202,939.89 and 83,406.98

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Solution

The fourth proportional to 147,063.26, 202,939.89 and 83,406.98 is: 115,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,063.26 : 202,939.89 = 83,406.98 : x
  2. Step 2: Convert to fraction form
    147,063.26/202,939.89 = 83,406.98/x
  3. Step 3: Cross multiply
    147,063.26x = 202,939.89 × 83,406.98
  4. Step 4: Simplify right side
    147,063.26x = 16,926,603,346.43
  5. Step 5: Solve for x
    x = 16,926,603,346.43/147,063.26
  6. Step 6: Final answer
    x = 115,097.43

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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.