Home / 141,187.28-194,838.66-77,529.16

Finding the Fourth Proportional to 141,187.28, 194,838.66 and 77,529.16

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Solution

The fourth proportional to 141,187.28, 194,838.66 and 77,529.16 is: 106,990.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,187.28 : 194,838.66 = 77,529.16 : x
  2. Step 2: Convert to fraction form
    141,187.28/194,838.66 = 77,529.16/x
  3. Step 3: Cross multiply
    141,187.28x = 194,838.66 × 77,529.16
  4. Step 4: Simplify right side
    141,187.28x = 15,105,677,645.33
  5. Step 5: Solve for x
    x = 15,105,677,645.33/141,187.28
  6. Step 6: Final answer
    x = 106,990.36

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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.