Home / 190,377.23-262,719.87-105,494.23

Finding the Fourth Proportional to 190,377.23, 262,719.87 and 105,494.23

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Solution

The fourth proportional to 190,377.23, 262,719.87 and 105,494.23 is: 145,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,377.23 : 262,719.87 = 105,494.23 : x
  2. Step 2: Convert to fraction form
    190,377.23/262,719.87 = 105,494.23/x
  3. Step 3: Cross multiply
    190,377.23x = 262,719.87 × 105,494.23
  4. Step 4: Simplify right side
    190,377.23x = 27,715,429,077.75
  5. Step 5: Solve for x
    x = 27,715,429,077.75/190,377.23
  6. Step 6: Final answer
    x = 145,581.64

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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.