Home / 255,911.72-353,228.46-148,516.34

Finding the Fourth Proportional to 255,911.72, 353,228.46 and 148,516.34

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Solution

The fourth proportional to 255,911.72, 353,228.46 and 148,516.34 is: 204,993.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,911.72 : 353,228.46 = 148,516.34 : x
  2. Step 2: Convert to fraction form
    255,911.72/353,228.46 = 148,516.34/x
  3. Step 3: Cross multiply
    255,911.72x = 353,228.46 × 148,516.34
  4. Step 4: Simplify right side
    255,911.72x = 52,460,198,063.04
  5. Step 5: Solve for x
    x = 52,460,198,063.04/255,911.72
  6. Step 6: Final answer
    x = 204,993.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.