Home / 190,098.13-285,147.19-49,856.75

Finding the Fourth Proportional to 190,098.13, 285,147.19 and 49,856.75

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Solution

The fourth proportional to 190,098.13, 285,147.19 and 49,856.75 is: 74,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,098.13 : 285,147.19 = 49,856.75 : x
  2. Step 2: Convert to fraction form
    190,098.13/285,147.19 = 49,856.75/x
  3. Step 3: Cross multiply
    190,098.13x = 285,147.19 × 49,856.75
  4. Step 4: Simplify right side
    190,098.13x = 14,216,512,165.03
  5. Step 5: Solve for x
    x = 14,216,512,165.03/190,098.13
  6. Step 6: Final answer
    x = 74,785.12

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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.