Home / 256,478.04-353,958.02-141,754.22

Finding the Fourth Proportional to 256,478.04, 353,958.02 and 141,754.22

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Solution

The fourth proportional to 256,478.04, 353,958.02 and 141,754.22 is: 195,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,478.04 : 353,958.02 = 141,754.22 : x
  2. Step 2: Convert to fraction form
    256,478.04/353,958.02 = 141,754.22/x
  3. Step 3: Cross multiply
    256,478.04x = 353,958.02 × 141,754.22
  4. Step 4: Simplify right side
    256,478.04x = 50,175,043,037.84
  5. Step 5: Solve for x
    x = 50,175,043,037.84/256,478.04
  6. Step 6: Final answer
    x = 195,630.95

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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.