Home / 206,151.06-309,300.30-127,173.36

Finding the Fourth Proportional to 206,151.06, 309,300.30 and 127,173.36

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Solution

The fourth proportional to 206,151.06, 309,300.30 and 127,173.36 is: 190,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,151.06 : 309,300.30 = 127,173.36 : x
  2. Step 2: Convert to fraction form
    206,151.06/309,300.30 = 127,173.36/x
  3. Step 3: Cross multiply
    206,151.06x = 309,300.30 × 127,173.36
  4. Step 4: Simplify right side
    206,151.06x = 39,334,758,400.01
  5. Step 5: Solve for x
    x = 39,334,758,400.01/206,151.06
  6. Step 6: Final answer
    x = 190,805.51

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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.