Home / 149,656.36-206,497.20-85,996.84

Finding the Fourth Proportional to 149,656.36, 206,497.20 and 85,996.84

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Solution

The fourth proportional to 149,656.36, 206,497.20 and 85,996.84 is: 118,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,656.36 : 206,497.20 = 85,996.84 : x
  2. Step 2: Convert to fraction form
    149,656.36/206,497.20 = 85,996.84/x
  3. Step 3: Cross multiply
    149,656.36x = 206,497.20 × 85,996.84
  4. Step 4: Simplify right side
    149,656.36x = 17,758,106,668.85
  5. Step 5: Solve for x
    x = 17,758,106,668.85/149,656.36
  6. Step 6: Final answer
    x = 118,659.22

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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.