Home / 256,006.08-353,285.91-141,285.78

Finding the Fourth Proportional to 256,006.08, 353,285.91 and 141,285.78

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Solution

The fourth proportional to 256,006.08, 353,285.91 and 141,285.78 is: 194,973.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,006.08 : 353,285.91 = 141,285.78 : x
  2. Step 2: Convert to fraction form
    256,006.08/353,285.91 = 141,285.78/x
  3. Step 3: Cross multiply
    256,006.08x = 353,285.91 × 141,285.78
  4. Step 4: Simplify right side
    256,006.08x = 49,914,275,357.36
  5. Step 5: Solve for x
    x = 49,914,275,357.36/256,006.08
  6. Step 6: Final answer
    x = 194,973.01

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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.