Home / 145,919.22-201,365.83-82,257.07

Finding the Fourth Proportional to 145,919.22, 201,365.83 and 82,257.07

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Solution

The fourth proportional to 145,919.22, 201,365.83 and 82,257.07 is: 113,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,919.22 : 201,365.83 = 82,257.07 : x
  2. Step 2: Convert to fraction form
    145,919.22/201,365.83 = 82,257.07/x
  3. Step 3: Cross multiply
    145,919.22x = 201,365.83 × 82,257.07
  4. Step 4: Simplify right side
    145,919.22x = 16,563,763,173.92
  5. Step 5: Solve for x
    x = 16,563,763,173.92/145,919.22
  6. Step 6: Final answer
    x = 113,513.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.