Home / 256,137.57-353,468.18-141,423.35

Finding the Fourth Proportional to 256,137.57, 353,468.18 and 141,423.35

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Solution

The fourth proportional to 256,137.57, 353,468.18 and 141,423.35 is: 195,163.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,137.57 : 353,468.18 = 141,423.35 : x
  2. Step 2: Convert to fraction form
    256,137.57/353,468.18 = 141,423.35/x
  3. Step 3: Cross multiply
    256,137.57x = 353,468.18 × 141,423.35
  4. Step 4: Simplify right side
    256,137.57x = 49,988,652,720.22
  5. Step 5: Solve for x
    x = 49,988,652,720.22/256,137.57
  6. Step 6: Final answer
    x = 195,163.30

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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.