Home / 141,212.37-194,876.47-77,551.54

Finding the Fourth Proportional to 141,212.37, 194,876.47 and 77,551.54

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Solution

The fourth proportional to 141,212.37, 194,876.47 and 77,551.54 is: 107,022.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,212.37 : 194,876.47 = 77,551.54 : x
  2. Step 2: Convert to fraction form
    141,212.37/194,876.47 = 77,551.54/x
  3. Step 3: Cross multiply
    141,212.37x = 194,876.47 × 77,551.54
  4. Step 4: Simplify right side
    141,212.37x = 15,112,969,531.78
  5. Step 5: Solve for x
    x = 15,112,969,531.78/141,212.37
  6. Step 6: Final answer
    x = 107,022.98

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1.5x scale

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.