Home / 190,530.96-262,934.28-105,649.44

Finding the Fourth Proportional to 190,530.96, 262,934.28 and 105,649.44

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Solution

The fourth proportional to 190,530.96, 262,934.28 and 105,649.44 is: 145,797.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,530.96 : 262,934.28 = 105,649.44 : x
  2. Step 2: Convert to fraction form
    190,530.96/262,934.28 = 105,649.44/x
  3. Step 3: Cross multiply
    190,530.96x = 262,934.28 × 105,649.44
  4. Step 4: Simplify right side
    190,530.96x = 27,778,859,438.80
  5. Step 5: Solve for x
    x = 27,778,859,438.80/190,530.96
  6. Step 6: Final answer
    x = 145,797.09

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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.