Home / 141,376.13-195,099.27-77,714.32

Finding the Fourth Proportional to 141,376.13, 195,099.27 and 77,714.32

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Solution

The fourth proportional to 141,376.13, 195,099.27 and 77,714.32 is: 107,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,376.13 : 195,099.27 = 77,714.32 : x
  2. Step 2: Convert to fraction form
    141,376.13/195,099.27 = 77,714.32/x
  3. Step 3: Cross multiply
    141,376.13x = 195,099.27 × 77,714.32
  4. Step 4: Simplify right side
    141,376.13x = 15,162,006,125.05
  5. Step 5: Solve for x
    x = 15,162,006,125.05/141,376.13
  6. Step 6: Final answer
    x = 107,245.87

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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.