Home / 268,529.58-402,794.40-127,861.74

Finding the Fourth Proportional to 268,529.58, 402,794.40 and 127,861.74

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Solution

The fourth proportional to 268,529.58, 402,794.40 and 127,861.74 is: 191,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,529.58 : 402,794.40 = 127,861.74 : x
  2. Step 2: Convert to fraction form
    268,529.58/402,794.40 = 127,861.74/x
  3. Step 3: Cross multiply
    268,529.58x = 402,794.40 × 127,861.74
  4. Step 4: Simplify right side
    268,529.58x = 51,501,992,846.26
  5. Step 5: Solve for x
    x = 51,501,992,846.26/268,529.58
  6. Step 6: Final answer
    x = 191,792.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.