Home / 198,779.51-274,313.48-148,019.27

Finding the Fourth Proportional to 198,779.51, 274,313.48 and 148,019.27

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Solution

The fourth proportional to 198,779.51, 274,313.48 and 148,019.27 is: 204,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,779.51 : 274,313.48 = 148,019.27 : x
  2. Step 2: Convert to fraction form
    198,779.51/274,313.48 = 148,019.27/x
  3. Step 3: Cross multiply
    198,779.51x = 274,313.48 × 148,019.27
  4. Step 4: Simplify right side
    198,779.51x = 40,603,680,320.66
  5. Step 5: Solve for x
    x = 40,603,680,320.66/198,779.51
  6. Step 6: Final answer
    x = 204,264.92

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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.