Home / 190,974.90-263,446.53-129,724.24

Finding the Fourth Proportional to 190,974.90, 263,446.53 and 129,724.24

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Solution

The fourth proportional to 190,974.90, 263,446.53 and 129,724.24 is: 178,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,974.90 : 263,446.53 = 129,724.24 : x
  2. Step 2: Convert to fraction form
    190,974.90/263,446.53 = 129,724.24/x
  3. Step 3: Cross multiply
    190,974.90x = 263,446.53 × 129,724.24
  4. Step 4: Simplify right side
    190,974.90x = 34,175,400,884.89
  5. Step 5: Solve for x
    x = 34,175,400,884.89/190,974.90
  6. Step 6: Final answer
    x = 178,952.32

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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.