Home / 129,749.10-194,629.73-41,009.55

Finding the Fourth Proportional to 129,749.10, 194,629.73 and 41,009.55

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Solution

The fourth proportional to 129,749.10, 194,629.73 and 41,009.55 is: 61,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,749.10 : 194,629.73 = 41,009.55 : x
  2. Step 2: Convert to fraction form
    129,749.10/194,629.73 = 41,009.55/x
  3. Step 3: Cross multiply
    129,749.10x = 194,629.73 × 41,009.55
  4. Step 4: Simplify right side
    129,749.10x = 7,981,677,643.92
  5. Step 5: Solve for x
    x = 7,981,677,643.92/129,749.10
  6. Step 6: Final answer
    x = 61,516.25

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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.