Home / 261,650.20-391,697.70-233,656.60

Finding the Fourth Proportional to 261,650.20, 391,697.70 and 233,656.60

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Solution

The fourth proportional to 261,650.20, 391,697.70 and 233,656.60 is: 349,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,650.20 : 391,697.70 = 233,656.60 : x
  2. Step 2: Convert to fraction form
    261,650.20/391,697.70 = 233,656.60/x
  3. Step 3: Cross multiply
    261,650.20x = 391,697.70 × 233,656.60
  4. Step 4: Simplify right side
    261,650.20x = 91,522,752,809.82
  5. Step 5: Solve for x
    x = 91,522,752,809.82/261,650.20
  6. Step 6: Final answer
    x = 349,790.49

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1.5x scale

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.