Home / 127,612.31-191,418.47-34,115.63

Finding the Fourth Proportional to 127,612.31, 191,418.47 and 34,115.63

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Solution

The fourth proportional to 127,612.31, 191,418.47 and 34,115.63 is: 51,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.31 : 191,418.47 = 34,115.63 : x
  2. Step 2: Convert to fraction form
    127,612.31/191,418.47 = 34,115.63/x
  3. Step 3: Cross multiply
    127,612.31x = 191,418.47 × 34,115.63
  4. Step 4: Simplify right side
    127,612.31x = 6,530,360,570.02
  5. Step 5: Solve for x
    x = 6,530,360,570.02/127,612.31
  6. Step 6: Final answer
    x = 51,173.44

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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.