Home / 319,586.58-441,189.15-198,766.81

Finding the Fourth Proportional to 319,586.58, 441,189.15 and 198,766.81

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Solution

The fourth proportional to 319,586.58, 441,189.15 and 198,766.81 is: 274,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,586.58 : 441,189.15 = 198,766.81 : x
  2. Step 2: Convert to fraction form
    319,586.58/441,189.15 = 198,766.81/x
  3. Step 3: Cross multiply
    319,586.58x = 441,189.15 × 198,766.81
  4. Step 4: Simplify right side
    319,586.58x = 87,693,759,758.22
  5. Step 5: Solve for x
    x = 87,693,759,758.22/319,586.58
  6. Step 6: Final answer
    x = 274,397.50

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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.