Home / 148,001.19-204,237.49-80,931.75

Finding the Fourth Proportional to 148,001.19, 204,237.49 and 80,931.75

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Solution

The fourth proportional to 148,001.19, 204,237.49 and 80,931.75 is: 111,683.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,001.19 : 204,237.49 = 80,931.75 : x
  2. Step 2: Convert to fraction form
    148,001.19/204,237.49 = 80,931.75/x
  3. Step 3: Cross multiply
    148,001.19x = 204,237.49 × 80,931.75
  4. Step 4: Simplify right side
    148,001.19x = 16,529,297,481.31
  5. Step 5: Solve for x
    x = 16,529,297,481.31/148,001.19
  6. Step 6: Final answer
    x = 111,683.54

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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.