Home / 319,552.95-441,142.87-198,733.16

Finding the Fourth Proportional to 319,552.95, 441,142.87 and 198,733.16

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Solution

The fourth proportional to 319,552.95, 441,142.87 and 198,733.16 is: 274,351.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,552.95 : 441,142.87 = 198,733.16 : x
  2. Step 2: Convert to fraction form
    319,552.95/441,142.87 = 198,733.16/x
  3. Step 3: Cross multiply
    319,552.95x = 441,142.87 × 198,733.16
  4. Step 4: Simplify right side
    319,552.95x = 87,669,713,864.02
  5. Step 5: Solve for x
    x = 87,669,713,864.02/319,552.95
  6. Step 6: Final answer
    x = 274,351.13

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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.