Home / 190,567.22-262,973.79-105,682.46

Finding the Fourth Proportional to 190,567.22, 262,973.79 and 105,682.46

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Solution

The fourth proportional to 190,567.22, 262,973.79 and 105,682.46 is: 145,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,567.22 : 262,973.79 = 105,682.46 : x
  2. Step 2: Convert to fraction form
    190,567.22/262,973.79 = 105,682.46/x
  3. Step 3: Cross multiply
    190,567.22x = 262,973.79 × 105,682.46
  4. Step 4: Simplify right side
    190,567.22x = 27,791,715,727.85
  5. Step 5: Solve for x
    x = 27,791,715,727.85/190,567.22
  6. Step 6: Final answer
    x = 145,836.82

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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.