Home / 319,581.83-441,182.60-198,762.07

Finding the Fourth Proportional to 319,581.83, 441,182.60 and 198,762.07

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Solution

The fourth proportional to 319,581.83, 441,182.60 and 198,762.07 is: 274,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,581.83 : 441,182.60 = 198,762.07 : x
  2. Step 2: Convert to fraction form
    319,581.83/441,182.60 = 198,762.07/x
  3. Step 3: Cross multiply
    319,581.83x = 441,182.60 × 198,762.07
  4. Step 4: Simplify right side
    319,581.83x = 87,690,363,624.26
  5. Step 5: Solve for x
    x = 87,690,363,624.26/319,581.83
  6. Step 6: Final answer
    x = 274,390.96

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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.