Home / 193,145.70-289,659.26-133,557.06

Finding the Fourth Proportional to 193,145.70, 289,659.26 and 133,557.06

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Solution

The fourth proportional to 193,145.70, 289,659.26 and 133,557.06 is: 200,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,145.70 : 289,659.26 = 133,557.06 : x
  2. Step 2: Convert to fraction form
    193,145.70/289,659.26 = 133,557.06/x
  3. Step 3: Cross multiply
    193,145.70x = 289,659.26 × 133,557.06
  4. Step 4: Simplify right side
    193,145.70x = 38,686,039,167.38
  5. Step 5: Solve for x
    x = 38,686,039,167.38/193,145.70
  6. Step 6: Final answer
    x = 200,294.59

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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.