Home / 256,399.02-353,823.20-141,675.84

Finding the Fourth Proportional to 256,399.02, 353,823.20 and 141,675.84

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Solution

The fourth proportional to 256,399.02, 353,823.20 and 141,675.84 is: 195,508.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,399.02 : 353,823.20 = 141,675.84 : x
  2. Step 2: Convert to fraction form
    256,399.02/353,823.20 = 141,675.84/x
  3. Step 3: Cross multiply
    256,399.02x = 353,823.20 × 141,675.84
  4. Step 4: Simplify right side
    256,399.02x = 50,128,198,363.11
  5. Step 5: Solve for x
    x = 50,128,198,363.11/256,399.02
  6. Step 6: Final answer
    x = 195,508.54

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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.