Home / 141,102.63-194,733.59-77,451.21

Finding the Fourth Proportional to 141,102.63, 194,733.59 and 77,451.21

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Solution

The fourth proportional to 141,102.63, 194,733.59 and 77,451.21 is: 106,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,102.63 : 194,733.59 = 77,451.21 : x
  2. Step 2: Convert to fraction form
    141,102.63/194,733.59 = 77,451.21/x
  3. Step 3: Cross multiply
    141,102.63x = 194,733.59 × 77,451.21
  4. Step 4: Simplify right side
    141,102.63x = 15,082,351,785.89
  5. Step 5: Solve for x
    x = 15,082,351,785.89/141,102.63
  6. Step 6: Final answer
    x = 106,889.23

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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.