Home / 194,741.45-268,743.99-105,317.45

Finding the Fourth Proportional to 194,741.45, 268,743.99 and 105,317.45

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Solution

The fourth proportional to 194,741.45, 268,743.99 and 105,317.45 is: 145,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,741.45 : 268,743.99 = 105,317.45 : x
  2. Step 2: Convert to fraction form
    194,741.45/268,743.99 = 105,317.45/x
  3. Step 3: Cross multiply
    194,741.45x = 268,743.99 × 105,317.45
  4. Step 4: Simplify right side
    194,741.45x = 28,303,430,385.91
  5. Step 5: Solve for x
    x = 28,303,430,385.91/194,741.45
  6. Step 6: Final answer
    x = 145,338.50

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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.