Home / 261,997.50-361,556.56-148,842.12

Finding the Fourth Proportional to 261,997.50, 361,556.56 and 148,842.12

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Solution

The fourth proportional to 261,997.50, 361,556.56 and 148,842.12 is: 205,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,997.50 : 361,556.56 = 148,842.12 : x
  2. Step 2: Convert to fraction form
    261,997.50/361,556.56 = 148,842.12/x
  3. Step 3: Cross multiply
    261,997.50x = 361,556.56 × 148,842.12
  4. Step 4: Simplify right side
    261,997.50x = 53,814,844,890.31
  5. Step 5: Solve for x
    x = 53,814,844,890.31/261,997.50
  6. Step 6: Final answer
    x = 205,402.13

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1.5x scale

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.