Home / 282,582.90-389,749.57-195,512.89

Finding the Fourth Proportional to 282,582.90, 389,749.57 and 195,512.89

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Solution

The fourth proportional to 282,582.90, 389,749.57 and 195,512.89 is: 269,659.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582.90 : 389,749.57 = 195,512.89 : x
  2. Step 2: Convert to fraction form
    282,582.90/389,749.57 = 195,512.89/x
  3. Step 3: Cross multiply
    282,582.90x = 389,749.57 × 195,512.89
  4. Step 4: Simplify right side
    282,582.90x = 76,201,065,174.34
  5. Step 5: Solve for x
    x = 76,201,065,174.34/282,582.90
  6. Step 6: Final answer
    x = 269,659.15

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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.