Home / 256,113.30-353,533.20-192,634.40

Finding the Fourth Proportional to 256,113.30, 353,533.20 and 192,634.40

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Solution

The fourth proportional to 256,113.30, 353,533.20 and 192,634.40 is: 265,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,113.30 : 353,533.20 = 192,634.40 : x
  2. Step 2: Convert to fraction form
    256,113.30/353,533.20 = 192,634.40/x
  3. Step 3: Cross multiply
    256,113.30x = 353,533.20 × 192,634.40
  4. Step 4: Simplify right side
    256,113.30x = 68,102,655,862.08
  5. Step 5: Solve for x
    x = 68,102,655,862.08/256,113.30
  6. Step 6: Final answer
    x = 265,908.31

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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.