Home / 256,512.22-353,973.02-141,784.02

Finding the Fourth Proportional to 256,512.22, 353,973.02 and 141,784.02

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Solution

The fourth proportional to 256,512.22, 353,973.02 and 141,784.02 is: 195,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,512.22 : 353,973.02 = 141,784.02 : x
  2. Step 2: Convert to fraction form
    256,512.22/353,973.02 = 141,784.02/x
  3. Step 3: Cross multiply
    256,512.22x = 353,973.02 × 141,784.02
  4. Step 4: Simplify right side
    256,512.22x = 50,187,718,101.60
  5. Step 5: Solve for x
    x = 50,187,718,101.60/256,512.22
  6. Step 6: Final answer
    x = 195,654.30

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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.