Home / 141,177.03-194,915.48-87,519.39

Finding the Fourth Proportional to 141,177.03, 194,915.48 and 87,519.39

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Solution

The fourth proportional to 141,177.03, 194,915.48 and 87,519.39 is: 120,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,177.03 : 194,915.48 = 87,519.39 : x
  2. Step 2: Convert to fraction form
    141,177.03/194,915.48 = 87,519.39/x
  3. Step 3: Cross multiply
    141,177.03x = 194,915.48 × 87,519.39
  4. Step 4: Simplify right side
    141,177.03x = 17,058,883,473.56
  5. Step 5: Solve for x
    x = 17,058,883,473.56/141,177.03
  6. Step 6: Final answer
    x = 120,833.28

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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.