Home / 146,241.22-219,330.14-85,410.83

Finding the Fourth Proportional to 146,241.22, 219,330.14 and 85,410.83

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Solution

The fourth proportional to 146,241.22, 219,330.14 and 85,410.83 is: 128,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,241.22 : 219,330.14 = 85,410.83 : x
  2. Step 2: Convert to fraction form
    146,241.22/219,330.14 = 85,410.83/x
  3. Step 3: Cross multiply
    146,241.22x = 219,330.14 × 85,410.83
  4. Step 4: Simplify right side
    146,241.22x = 18,733,169,301.42
  5. Step 5: Solve for x
    x = 18,733,169,301.42/146,241.22
  6. Step 6: Final answer
    x = 128,097.74

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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.