Home / 183,986.22-275,921-78,776.94

Finding the Fourth Proportional to 183,986.22, 275,921 and 78,776.94

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Solution

The fourth proportional to 183,986.22, 275,921 and 78,776.94 is: 118,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,986.22 : 275,921 = 78,776.94 : x
  2. Step 2: Convert to fraction form
    183,986.22/275,921 = 78,776.94/x
  3. Step 3: Cross multiply
    183,986.22x = 275,921 × 78,776.94
  4. Step 4: Simplify right side
    183,986.22x = 21,736,212,061.74
  5. Step 5: Solve for x
    x = 21,736,212,061.74/183,986.22
  6. Step 6: Final answer
    x = 118,140.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.