Home / 190,445.04-262,215.78-161,704.80

Finding the Fourth Proportional to 190,445.04, 262,215.78 and 161,704.80

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Solution

The fourth proportional to 190,445.04, 262,215.78 and 161,704.80 is: 222,644.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,445.04 : 262,215.78 = 161,704.80 : x
  2. Step 2: Convert to fraction form
    190,445.04/262,215.78 = 161,704.80/x
  3. Step 3: Cross multiply
    190,445.04x = 262,215.78 × 161,704.80
  4. Step 4: Simplify right side
    190,445.04x = 42,401,550,261.74
  5. Step 5: Solve for x
    x = 42,401,550,261.74/190,445.04
  6. Step 6: Final answer
    x = 222,644.55

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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.