Home / 222,945.09-307,919.76-146,804.55

Finding the Fourth Proportional to 222,945.09, 307,919.76 and 146,804.55

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Solution

The fourth proportional to 222,945.09, 307,919.76 and 146,804.55 is: 202,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,945.09 : 307,919.76 = 146,804.55 : x
  2. Step 2: Convert to fraction form
    222,945.09/307,919.76 = 146,804.55/x
  3. Step 3: Cross multiply
    222,945.09x = 307,919.76 × 146,804.55
  4. Step 4: Simplify right side
    222,945.09x = 45,204,021,802.91
  5. Step 5: Solve for x
    x = 45,204,021,802.91/222,945.09
  6. Step 6: Final answer
    x = 202,758.54

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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.