Home / 193,624.24-289,811.40-100,001.20

Finding the Fourth Proportional to 193,624.24, 289,811.40 and 100,001.20

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Solution

The fourth proportional to 193,624.24, 289,811.40 and 100,001.20 is: 149,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,624.24 : 289,811.40 = 100,001.20 : x
  2. Step 2: Convert to fraction form
    193,624.24/289,811.40 = 100,001.20/x
  3. Step 3: Cross multiply
    193,624.24x = 289,811.40 × 100,001.20
  4. Step 4: Simplify right side
    193,624.24x = 28,981,487,773.68
  5. Step 5: Solve for x
    x = 28,981,487,773.68/193,624.24
  6. Step 6: Final answer
    x = 149,679.03

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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.