Home / 141,173.43-194,819.72-77,515.35

Finding the Fourth Proportional to 141,173.43, 194,819.72 and 77,515.35

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Solution

The fourth proportional to 141,173.43, 194,819.72 and 77,515.35 is: 106,971.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173.43 : 194,819.72 = 77,515.35 : x
  2. Step 2: Convert to fraction form
    141,173.43/194,819.72 = 77,515.35/x
  3. Step 3: Cross multiply
    141,173.43x = 194,819.72 × 77,515.35
  4. Step 4: Simplify right side
    141,173.43x = 15,101,518,395.13
  5. Step 5: Solve for x
    x = 15,101,518,395.13/141,173.43
  6. Step 6: Final answer
    x = 106,971.39

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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.