Home / 141,756.72-195,583.68-84,348.06

Finding the Fourth Proportional to 141,756.72, 195,583.68 and 84,348.06

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Solution

The fourth proportional to 141,756.72, 195,583.68 and 84,348.06 is: 116,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,756.72 : 195,583.68 = 84,348.06 : x
  2. Step 2: Convert to fraction form
    141,756.72/195,583.68 = 84,348.06/x
  3. Step 3: Cross multiply
    141,756.72x = 195,583.68 × 84,348.06
  4. Step 4: Simplify right side
    141,756.72x = 16,497,103,975.66
  5. Step 5: Solve for x
    x = 16,497,103,975.66/141,756.72
  6. Step 6: Final answer
    x = 116,376.17

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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.