Home / 261,735.12-361,102.48-171,144.12

Finding the Fourth Proportional to 261,735.12, 361,102.48 and 171,144.12

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Solution

The fourth proportional to 261,735.12, 361,102.48 and 171,144.12 is: 236,118.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,735.12 : 361,102.48 = 171,144.12 : x
  2. Step 2: Convert to fraction form
    261,735.12/361,102.48 = 171,144.12/x
  3. Step 3: Cross multiply
    261,735.12x = 361,102.48 × 171,144.12
  4. Step 4: Simplify right side
    261,735.12x = 61,800,564,530.23
  5. Step 5: Solve for x
    x = 61,800,564,530.23/261,735.12
  6. Step 6: Final answer
    x = 236,118.73

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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.