Home / 191,745.44-265,086.98-143,915.75

Finding the Fourth Proportional to 191,745.44, 265,086.98 and 143,915.75

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Solution

The fourth proportional to 191,745.44, 265,086.98 and 143,915.75 is: 198,962.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,745.44 : 265,086.98 = 143,915.75 : x
  2. Step 2: Convert to fraction form
    191,745.44/265,086.98 = 143,915.75/x
  3. Step 3: Cross multiply
    191,745.44x = 265,086.98 × 143,915.75
  4. Step 4: Simplify right side
    191,745.44x = 38,150,191,541.94
  5. Step 5: Solve for x
    x = 38,150,191,541.94/191,745.44
  6. Step 6: Final answer
    x = 198,962.71

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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.