Home / 141,358.84-195,077.70-77,696.44

Finding the Fourth Proportional to 141,358.84, 195,077.70 and 77,696.44

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Solution

The fourth proportional to 141,358.84, 195,077.70 and 77,696.44 is: 107,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.84 : 195,077.70 = 77,696.44 : x
  2. Step 2: Convert to fraction form
    141,358.84/195,077.70 = 77,696.44/x
  3. Step 3: Cross multiply
    141,358.84x = 195,077.70 × 77,696.44
  4. Step 4: Simplify right side
    141,358.84x = 15,156,842,813.39
  5. Step 5: Solve for x
    x = 15,156,842,813.39/141,358.84
  6. Step 6: Final answer
    x = 107,222.46

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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.