Home / 141,962.88-194,487-136,644.96

Finding the Fourth Proportional to 141,962.88, 194,487 and 136,644.96

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Solution

The fourth proportional to 141,962.88, 194,487 and 136,644.96 is: 187,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,962.88 : 194,487 = 136,644.96 : x
  2. Step 2: Convert to fraction form
    141,962.88/194,487 = 136,644.96/x
  3. Step 3: Cross multiply
    141,962.88x = 194,487 × 136,644.96
  4. Step 4: Simplify right side
    141,962.88x = 26,575,668,335.52
  5. Step 5: Solve for x
    x = 26,575,668,335.52/141,962.88
  6. Step 6: Final answer
    x = 187,201.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.