Home / 189,681.98-261,771.63-104,797.22

Finding the Fourth Proportional to 189,681.98, 261,771.63 and 104,797.22

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Solution

The fourth proportional to 189,681.98, 261,771.63 and 104,797.22 is: 144,625.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,681.98 : 261,771.63 = 104,797.22 : x
  2. Step 2: Convert to fraction form
    189,681.98/261,771.63 = 104,797.22/x
  3. Step 3: Cross multiply
    189,681.98x = 261,771.63 × 104,797.22
  4. Step 4: Simplify right side
    189,681.98x = 27,432,939,098.87
  5. Step 5: Solve for x
    x = 27,432,939,098.87/189,681.98
  6. Step 6: Final answer
    x = 144,625.96

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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.