Home / 149,446.08-206,247.93-85,796.16

Finding the Fourth Proportional to 149,446.08, 206,247.93 and 85,796.16

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Solution

The fourth proportional to 149,446.08, 206,247.93 and 85,796.16 is: 118,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,446.08 : 206,247.93 = 85,796.16 : x
  2. Step 2: Convert to fraction form
    149,446.08/206,247.93 = 85,796.16/x
  3. Step 3: Cross multiply
    149,446.08x = 206,247.93 × 85,796.16
  4. Step 4: Simplify right side
    149,446.08x = 17,695,280,401.95
  5. Step 5: Solve for x
    x = 17,695,280,401.95/149,446.08
  6. Step 6: Final answer
    x = 118,405.78

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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.