Home / 256,401.02-353,825.96-141,677.84

Finding the Fourth Proportional to 256,401.02, 353,825.96 and 141,677.84

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Solution

The fourth proportional to 256,401.02, 353,825.96 and 141,677.84 is: 195,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,401.02 : 353,825.96 = 141,677.84 : x
  2. Step 2: Convert to fraction form
    256,401.02/353,825.96 = 141,677.84/x
  3. Step 3: Cross multiply
    256,401.02x = 353,825.96 × 141,677.84
  4. Step 4: Simplify right side
    256,401.02x = 50,129,297,748.73
  5. Step 5: Solve for x
    x = 50,129,297,748.73/256,401.02
  6. Step 6: Final answer
    x = 195,511.30

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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.