Home / 319,700.07-441,200.79-183,778.02

Finding the Fourth Proportional to 319,700.07, 441,200.79 and 183,778.02

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Solution

The fourth proportional to 319,700.07, 441,200.79 and 183,778.02 is: 253,622.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,700.07 : 441,200.79 = 183,778.02 : x
  2. Step 2: Convert to fraction form
    319,700.07/441,200.79 = 183,778.02/x
  3. Step 3: Cross multiply
    319,700.07x = 441,200.79 × 183,778.02
  4. Step 4: Simplify right side
    319,700.07x = 81,083,007,608.64
  5. Step 5: Solve for x
    x = 81,083,007,608.64/319,700.07
  6. Step 6: Final answer
    x = 253,622.11

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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.