Home / 141,284.76-194,977.62-77,627.16

Finding the Fourth Proportional to 141,284.76, 194,977.62 and 77,627.16

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Solution

The fourth proportional to 141,284.76, 194,977.62 and 77,627.16 is: 107,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,284.76 : 194,977.62 = 77,627.16 : x
  2. Step 2: Convert to fraction form
    141,284.76/194,977.62 = 77,627.16/x
  3. Step 3: Cross multiply
    141,284.76x = 194,977.62 × 77,627.16
  4. Step 4: Simplify right side
    141,284.76x = 15,135,558,904.16
  5. Step 5: Solve for x
    x = 15,135,558,904.16/141,284.76
  6. Step 6: Final answer
    x = 107,128.04

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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.