Home / 359,984.16-496,735.56-198,829.60

Finding the Fourth Proportional to 359,984.16, 496,735.56 and 198,829.60

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Solution

The fourth proportional to 359,984.16, 496,735.56 and 198,829.60 is: 274,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,984.16 : 496,735.56 = 198,829.60 : x
  2. Step 2: Convert to fraction form
    359,984.16/496,735.56 = 198,829.60/x
  3. Step 3: Cross multiply
    359,984.16x = 496,735.56 × 198,829.60
  4. Step 4: Simplify right side
    359,984.16x = 98,765,732,700.58
  5. Step 5: Solve for x
    x = 98,765,732,700.58/359,984.16
  6. Step 6: Final answer
    x = 274,361.33

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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.