Home / 193,710.38-289,940.58-100,087.34

Finding the Fourth Proportional to 193,710.38, 289,940.58 and 100,087.34

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Solution

The fourth proportional to 193,710.38, 289,940.58 and 100,087.34 is: 149,808.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,710.38 : 289,940.58 = 100,087.34 : x
  2. Step 2: Convert to fraction form
    193,710.38/289,940.58 = 100,087.34/x
  3. Step 3: Cross multiply
    193,710.38x = 289,940.58 × 100,087.34
  4. Step 4: Simplify right side
    193,710.38x = 29,019,381,410.26
  5. Step 5: Solve for x
    x = 29,019,381,410.26/193,710.38
  6. Step 6: Final answer
    x = 149,808.09

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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.