Home / 141,387.46-195,118.43-76,861.04

Finding the Fourth Proportional to 141,387.46, 195,118.43 and 76,861.04

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Solution

The fourth proportional to 141,387.46, 195,118.43 and 76,861.04 is: 106,070.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,387.46 : 195,118.43 = 76,861.04 : x
  2. Step 2: Convert to fraction form
    141,387.46/195,118.43 = 76,861.04/x
  3. Step 3: Cross multiply
    141,387.46x = 195,118.43 × 76,861.04
  4. Step 4: Simplify right side
    141,387.46x = 14,997,004,093.07
  5. Step 5: Solve for x
    x = 14,997,004,093.07/141,387.46
  6. Step 6: Final answer
    x = 106,070.26

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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.