Home / 319,560.02-441,152.61-198,740.22

Finding the Fourth Proportional to 319,560.02, 441,152.61 and 198,740.22

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Solution

The fourth proportional to 319,560.02, 441,152.61 and 198,740.22 is: 274,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,560.02 : 441,152.61 = 198,740.22 : x
  2. Step 2: Convert to fraction form
    319,560.02/441,152.61 = 198,740.22/x
  3. Step 3: Cross multiply
    319,560.02x = 441,152.61 × 198,740.22
  4. Step 4: Simplify right side
    319,560.02x = 87,674,766,764.97
  5. Step 5: Solve for x
    x = 87,674,766,764.97/319,560.02
  6. Step 6: Final answer
    x = 274,360.88

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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.