Home / 319,694.12-441,153.96-183,728.42

Finding the Fourth Proportional to 319,694.12, 441,153.96 and 183,728.42

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Solution

The fourth proportional to 319,694.12, 441,153.96 and 183,728.42 is: 253,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,694.12 : 441,153.96 = 183,728.42 : x
  2. Step 2: Convert to fraction form
    319,694.12/441,153.96 = 183,728.42/x
  3. Step 3: Cross multiply
    319,694.12x = 441,153.96 × 183,728.42
  4. Step 4: Simplify right side
    319,694.12x = 81,052,520,047.54
  5. Step 5: Solve for x
    x = 81,052,520,047.54/319,694.12
  6. Step 6: Final answer
    x = 253,531.47

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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.