Home / 190,377.60-262,723.20-105,496.32

Finding the Fourth Proportional to 190,377.60, 262,723.20 and 105,496.32

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Solution

The fourth proportional to 190,377.60, 262,723.20 and 105,496.32 is: 145,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,377.60 : 262,723.20 = 105,496.32 : x
  2. Step 2: Convert to fraction form
    190,377.60/262,723.20 = 105,496.32/x
  3. Step 3: Cross multiply
    190,377.60x = 262,723.20 × 105,496.32
  4. Step 4: Simplify right side
    190,377.60x = 27,716,330,778.62
  5. Step 5: Solve for x
    x = 27,716,330,778.62/190,377.60
  6. Step 6: Final answer
    x = 145,586.09

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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.