Home / 268,583.56-402,771.78-118,741.61

Finding the Fourth Proportional to 268,583.56, 402,771.78 and 118,741.61

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Solution

The fourth proportional to 268,583.56, 402,771.78 and 118,741.61 is: 178,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,583.56 : 402,771.78 = 118,741.61 : x
  2. Step 2: Convert to fraction form
    268,583.56/402,771.78 = 118,741.61/x
  3. Step 3: Cross multiply
    268,583.56x = 402,771.78 × 118,741.61
  4. Step 4: Simplify right side
    268,583.56x = 47,825,768,695.06
  5. Step 5: Solve for x
    x = 47,825,768,695.06/268,583.56
  6. Step 6: Final answer
    x = 178,066.63

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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.