Home / 250,816.08-346,125.24-137,638.56

Finding the Fourth Proportional to 250,816.08, 346,125.24 and 137,638.56

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Solution

The fourth proportional to 250,816.08, 346,125.24 and 137,638.56 is: 189,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,816.08 : 346,125.24 = 137,638.56 : x
  2. Step 2: Convert to fraction form
    250,816.08/346,125.24 = 137,638.56/x
  3. Step 3: Cross multiply
    250,816.08x = 346,125.24 × 137,638.56
  4. Step 4: Simplify right side
    250,816.08x = 47,640,179,613.25
  5. Step 5: Solve for x
    x = 47,640,179,613.25/250,816.08
  6. Step 6: Final answer
    x = 189,940.69

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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.