Home / 199,212.56-274,881.90-111,980.46

Finding the Fourth Proportional to 199,212.56, 274,881.90 and 111,980.46

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Solution

The fourth proportional to 199,212.56, 274,881.90 and 111,980.46 is: 154,515.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,212.56 : 274,881.90 = 111,980.46 : x
  2. Step 2: Convert to fraction form
    199,212.56/274,881.90 = 111,980.46/x
  3. Step 3: Cross multiply
    199,212.56x = 274,881.90 × 111,980.46
  4. Step 4: Simplify right side
    199,212.56x = 30,781,401,607.67
  5. Step 5: Solve for x
    x = 30,781,401,607.67/199,212.56
  6. Step 6: Final answer
    x = 154,515.37

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1.5x scale

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.