Home / 256,031.94-384,085.95-82,865.73

Finding the Fourth Proportional to 256,031.94, 384,085.95 and 82,865.73

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Solution

The fourth proportional to 256,031.94, 384,085.95 and 82,865.73 is: 124,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,031.94 : 384,085.95 = 82,865.73 : x
  2. Step 2: Convert to fraction form
    256,031.94/384,085.95 = 82,865.73/x
  3. Step 3: Cross multiply
    256,031.94x = 384,085.95 × 82,865.73
  4. Step 4: Simplify right side
    256,031.94x = 31,827,562,629.49
  5. Step 5: Solve for x
    x = 31,827,562,629.49/256,031.94
  6. Step 6: Final answer
    x = 124,310.91

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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.