Home / 202,010.37-278,776.11-111,369.53

Finding the Fourth Proportional to 202,010.37, 278,776.11 and 111,369.53

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Solution

The fourth proportional to 202,010.37, 278,776.11 and 111,369.53 is: 153,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,010.37 : 278,776.11 = 111,369.53 : x
  2. Step 2: Convert to fraction form
    202,010.37/278,776.11 = 111,369.53/x
  3. Step 3: Cross multiply
    202,010.37x = 278,776.11 × 111,369.53
  4. Step 4: Simplify right side
    202,010.37x = 31,047,165,460.50
  5. Step 5: Solve for x
    x = 31,047,165,460.50/202,010.37
  6. Step 6: Final answer
    x = 153,690.95

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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.