Home / 141,234.36-194,901.59-77,568.05

Finding the Fourth Proportional to 141,234.36, 194,901.59 and 77,568.05

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Solution

The fourth proportional to 141,234.36, 194,901.59 and 77,568.05 is: 107,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,234.36 : 194,901.59 = 77,568.05 : x
  2. Step 2: Convert to fraction form
    141,234.36/194,901.59 = 77,568.05/x
  3. Step 3: Cross multiply
    141,234.36x = 194,901.59 × 77,568.05
  4. Step 4: Simplify right side
    141,234.36x = 15,118,136,278.20
  5. Step 5: Solve for x
    x = 15,118,136,278.20/141,234.36
  6. Step 6: Final answer
    x = 107,042.91

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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.