Home / 194,683.13-268,662.72-105,259.13

Finding the Fourth Proportional to 194,683.13, 268,662.72 and 105,259.13

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Solution

The fourth proportional to 194,683.13, 268,662.72 and 105,259.13 is: 145,257.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,683.13 : 268,662.72 = 105,259.13 : x
  2. Step 2: Convert to fraction form
    194,683.13/268,662.72 = 105,259.13/x
  3. Step 3: Cross multiply
    194,683.13x = 268,662.72 × 105,259.13
  4. Step 4: Simplify right side
    194,683.13x = 28,279,202,827.32
  5. Step 5: Solve for x
    x = 28,279,202,827.32/194,683.13
  6. Step 6: Final answer
    x = 145,257.60

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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.