Home / 190,024.11-285,134.58-137,864.16

Finding the Fourth Proportional to 190,024.11, 285,134.58 and 137,864.16

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Solution

The fourth proportional to 190,024.11, 285,134.58 and 137,864.16 is: 206,867.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,024.11 : 285,134.58 = 137,864.16 : x
  2. Step 2: Convert to fraction form
    190,024.11/285,134.58 = 137,864.16/x
  3. Step 3: Cross multiply
    190,024.11x = 285,134.58 × 137,864.16
  4. Step 4: Simplify right side
    190,024.11x = 39,309,839,358.65
  5. Step 5: Solve for x
    x = 39,309,839,358.65/190,024.11
  6. Step 6: Final answer
    x = 206,867.64

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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.