Home / 250,240.72-345,336.68-137,056.24

Finding the Fourth Proportional to 250,240.72, 345,336.68 and 137,056.24

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Solution

The fourth proportional to 250,240.72, 345,336.68 and 137,056.24 is: 189,140.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,240.72 : 345,336.68 = 137,056.24 : x
  2. Step 2: Convert to fraction form
    250,240.72/345,336.68 = 137,056.24/x
  3. Step 3: Cross multiply
    250,240.72x = 345,336.68 × 137,056.24
  4. Step 4: Simplify right side
    250,240.72x = 47,330,546,894.88
  5. Step 5: Solve for x
    x = 47,330,546,894.88/250,240.72
  6. Step 6: Final answer
    x = 189,140.07

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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.