Home / 286,095.85-394,771.93-171,347.60

Finding the Fourth Proportional to 286,095.85, 394,771.93 and 171,347.60

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Solution

The fourth proportional to 286,095.85, 394,771.93 and 171,347.60 is: 236,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,095.85 : 394,771.93 = 171,347.60 : x
  2. Step 2: Convert to fraction form
    286,095.85/394,771.93 = 171,347.60/x
  3. Step 3: Cross multiply
    286,095.85x = 394,771.93 × 171,347.60
  4. Step 4: Simplify right side
    286,095.85x = 67,643,223,311.43
  5. Step 5: Solve for x
    x = 67,643,223,311.43/286,095.85
  6. Step 6: Final answer
    x = 236,435.53

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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.