Home / 190,128.18-285,183.61-63,758.71

Finding the Fourth Proportional to 190,128.18, 285,183.61 and 63,758.71

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Solution

The fourth proportional to 190,128.18, 285,183.61 and 63,758.71 is: 95,635.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,128.18 : 285,183.61 = 63,758.71 : x
  2. Step 2: Convert to fraction form
    190,128.18/285,183.61 = 63,758.71/x
  3. Step 3: Cross multiply
    190,128.18x = 285,183.61 × 63,758.71
  4. Step 4: Simplify right side
    190,128.18x = 18,182,939,086.74
  5. Step 5: Solve for x
    x = 18,182,939,086.74/190,128.18
  6. Step 6: Final answer
    x = 95,635.16

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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.