Home / 127,612.54-191,404.22-34,125.58

Finding the Fourth Proportional to 127,612.54, 191,404.22 and 34,125.58

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Solution

The fourth proportional to 127,612.54, 191,404.22 and 34,125.58 is: 51,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.54 : 191,404.22 = 34,125.58 : x
  2. Step 2: Convert to fraction form
    127,612.54/191,404.22 = 34,125.58/x
  3. Step 3: Cross multiply
    127,612.54x = 191,404.22 × 34,125.58
  4. Step 4: Simplify right side
    127,612.54x = 6,531,780,021.95
  5. Step 5: Solve for x
    x = 6,531,780,021.95/127,612.54
  6. Step 6: Final answer
    x = 51,184.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.