Home / 256,079.07-353,356.52-142,906.59

Finding the Fourth Proportional to 256,079.07, 353,356.52 and 142,906.59

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Solution

The fourth proportional to 256,079.07, 353,356.52 and 142,906.59 is: 197,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,079.07 : 353,356.52 = 142,906.59 : x
  2. Step 2: Convert to fraction form
    256,079.07/353,356.52 = 142,906.59/x
  3. Step 3: Cross multiply
    256,079.07x = 353,356.52 × 142,906.59
  4. Step 4: Simplify right side
    256,079.07x = 50,496,974,612.93
  5. Step 5: Solve for x
    x = 50,496,974,612.93/256,079.07
  6. Step 6: Final answer
    x = 197,192.90

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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.