Home / 107,435.60-161,153.40-82,523.60

Finding the Fourth Proportional to 107,435.60, 161,153.40 and 82,523.60

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Solution

The fourth proportional to 107,435.60, 161,153.40 and 82,523.60 is: 123,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,435.60 : 161,153.40 = 82,523.60 : x
  2. Step 2: Convert to fraction form
    107,435.60/161,153.40 = 82,523.60/x
  3. Step 3: Cross multiply
    107,435.60x = 161,153.40 × 82,523.60
  4. Step 4: Simplify right side
    107,435.60x = 13,298,958,720.24
  5. Step 5: Solve for x
    x = 13,298,958,720.24/107,435.60
  6. Step 6: Final answer
    x = 123,785.40

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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.