Home / 141,137.84-194,771.04-77,476.16

Finding the Fourth Proportional to 141,137.84, 194,771.04 and 77,476.16

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Solution

The fourth proportional to 141,137.84, 194,771.04 and 77,476.16 is: 106,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,137.84 : 194,771.04 = 77,476.16 : x
  2. Step 2: Convert to fraction form
    141,137.84/194,771.04 = 77,476.16/x
  3. Step 3: Cross multiply
    141,137.84x = 194,771.04 × 77,476.16
  4. Step 4: Simplify right side
    141,137.84x = 15,090,112,258.41
  5. Step 5: Solve for x
    x = 15,090,112,258.41/141,137.84
  6. Step 6: Final answer
    x = 106,917.55

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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.