Home / 141,170.18-194,815.24-77,512.10

Finding the Fourth Proportional to 141,170.18, 194,815.24 and 77,512.10

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Solution

The fourth proportional to 141,170.18, 194,815.24 and 77,512.10 is: 106,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,170.18 : 194,815.24 = 77,512.10 : x
  2. Step 2: Convert to fraction form
    141,170.18/194,815.24 = 77,512.10/x
  3. Step 3: Cross multiply
    141,170.18x = 194,815.24 × 77,512.10
  4. Step 4: Simplify right side
    141,170.18x = 15,100,538,364.40
  5. Step 5: Solve for x
    x = 15,100,538,364.40/141,170.18
  6. Step 6: Final answer
    x = 106,966.91

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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.