Home / 256,195.10-384,527.03-129,922.52

Finding the Fourth Proportional to 256,195.10, 384,527.03 and 129,922.52

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Solution

The fourth proportional to 256,195.10, 384,527.03 and 129,922.52 is: 195,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,195.10 : 384,527.03 = 129,922.52 : x
  2. Step 2: Convert to fraction form
    256,195.10/384,527.03 = 129,922.52/x
  3. Step 3: Cross multiply
    256,195.10x = 384,527.03 × 129,922.52
  4. Step 4: Simplify right side
    256,195.10x = 49,958,718,173.47
  5. Step 5: Solve for x
    x = 49,958,718,173.47/256,195.10
  6. Step 6: Final answer
    x = 195,002.63

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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.