Home / 141,021.38-194,609.51-77,359.32

Finding the Fourth Proportional to 141,021.38, 194,609.51 and 77,359.32

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Solution

The fourth proportional to 141,021.38, 194,609.51 and 77,359.32 is: 106,755.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,021.38 : 194,609.51 = 77,359.32 : x
  2. Step 2: Convert to fraction form
    141,021.38/194,609.51 = 77,359.32/x
  3. Step 3: Cross multiply
    141,021.38x = 194,609.51 × 77,359.32
  4. Step 4: Simplify right side
    141,021.38x = 15,054,858,972.34
  5. Step 5: Solve for x
    x = 15,054,858,972.34/141,021.38
  6. Step 6: Final answer
    x = 106,755.87

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1.5x scale

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.