Home / 256,522.77-353,994.48-140,231.61

Finding the Fourth Proportional to 256,522.77, 353,994.48 and 140,231.61

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Solution

The fourth proportional to 256,522.77, 353,994.48 and 140,231.61 is: 193,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,522.77 : 353,994.48 = 140,231.61 : x
  2. Step 2: Convert to fraction form
    256,522.77/353,994.48 = 140,231.61/x
  3. Step 3: Cross multiply
    256,522.77x = 353,994.48 × 140,231.61
  4. Step 4: Simplify right side
    256,522.77x = 49,641,215,861.51
  5. Step 5: Solve for x
    x = 49,641,215,861.51/256,522.77
  6. Step 6: Final answer
    x = 193,515.83

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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.