Home / 141,261.33-194,940.78-77,603.22

Finding the Fourth Proportional to 141,261.33, 194,940.78 and 77,603.22

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Solution

The fourth proportional to 141,261.33, 194,940.78 and 77,603.22 is: 107,092.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,261.33 : 194,940.78 = 77,603.22 : x
  2. Step 2: Convert to fraction form
    141,261.33/194,940.78 = 77,603.22/x
  3. Step 3: Cross multiply
    141,261.33x = 194,940.78 × 77,603.22
  4. Step 4: Simplify right side
    141,261.33x = 15,128,032,237.31
  5. Step 5: Solve for x
    x = 15,128,032,237.31/141,261.33
  6. Step 6: Final answer
    x = 107,092.52

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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.