Home / 190,033.28-285,149.04-137,873.12

Finding the Fourth Proportional to 190,033.28, 285,149.04 and 137,873.12

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Solution

The fourth proportional to 190,033.28, 285,149.04 and 137,873.12 is: 206,881.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,033.28 : 285,149.04 = 137,873.12 : x
  2. Step 2: Convert to fraction form
    190,033.28/285,149.04 = 137,873.12/x
  3. Step 3: Cross multiply
    190,033.28x = 285,149.04 × 137,873.12
  4. Step 4: Simplify right side
    190,033.28x = 39,314,387,809.80
  5. Step 5: Solve for x
    x = 39,314,387,809.80/190,033.28
  6. Step 6: Final answer
    x = 206,881.59

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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.