Home / 319,551.95-441,141.49-198,732.16

Finding the Fourth Proportional to 319,551.95, 441,141.49 and 198,732.16

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Solution

The fourth proportional to 319,551.95, 441,141.49 and 198,732.16 is: 274,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,551.95 : 441,141.49 = 198,732.16 : x
  2. Step 2: Convert to fraction form
    319,551.95/441,141.49 = 198,732.16/x
  3. Step 3: Cross multiply
    319,551.95x = 441,141.49 × 198,732.16
  4. Step 4: Simplify right side
    319,551.95x = 87,668,997,973.95
  5. Step 5: Solve for x
    x = 87,668,997,973.95/319,551.95
  6. Step 6: Final answer
    x = 274,349.76

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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.