Home / 190,129.57-285,185.69-63,760.10

Finding the Fourth Proportional to 190,129.57, 285,185.69 and 63,760.10

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Solution

The fourth proportional to 190,129.57, 285,185.69 and 63,760.10 is: 95,637.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,129.57 : 285,185.69 = 63,760.10 : x
  2. Step 2: Convert to fraction form
    190,129.57/285,185.69 = 63,760.10/x
  3. Step 3: Cross multiply
    190,129.57x = 285,185.69 × 63,760.10
  4. Step 4: Simplify right side
    190,129.57x = 18,183,468,112.97
  5. Step 5: Solve for x
    x = 18,183,468,112.97/190,129.57
  6. Step 6: Final answer
    x = 95,637.24

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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.