Home / 190,027.10-285,049.84-49,785.86

Finding the Fourth Proportional to 190,027.10, 285,049.84 and 49,785.86

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Solution

The fourth proportional to 190,027.10, 285,049.84 and 49,785.86 is: 74,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,027.10 : 285,049.84 = 49,785.86 : x
  2. Step 2: Convert to fraction form
    190,027.10/285,049.84 = 49,785.86/x
  3. Step 3: Cross multiply
    190,027.10x = 285,049.84 × 49,785.86
  4. Step 4: Simplify right side
    190,027.10x = 14,191,451,427.26
  5. Step 5: Solve for x
    x = 14,191,451,427.26/190,027.10
  6. Step 6: Final answer
    x = 74,681.20

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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.