Home / 193,265.01-289,917.39-66,905.01

Finding the Fourth Proportional to 193,265.01, 289,917.39 and 66,905.01

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Solution

The fourth proportional to 193,265.01, 289,917.39 and 66,905.01 is: 100,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,265.01 : 289,917.39 = 66,905.01 : x
  2. Step 2: Convert to fraction form
    193,265.01/289,917.39 = 66,905.01/x
  3. Step 3: Cross multiply
    193,265.01x = 289,917.39 × 66,905.01
  4. Step 4: Simplify right side
    193,265.01x = 19,396,925,877.12
  5. Step 5: Solve for x
    x = 19,396,925,877.12/193,265.01
  6. Step 6: Final answer
    x = 100,364.40

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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.