Home / 250,003.53-345,038.94-148,021.29

Finding the Fourth Proportional to 250,003.53, 345,038.94 and 148,021.29

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Solution

The fourth proportional to 250,003.53, 345,038.94 and 148,021.29 is: 204,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,003.53 : 345,038.94 = 148,021.29 : x
  2. Step 2: Convert to fraction form
    250,003.53/345,038.94 = 148,021.29/x
  3. Step 3: Cross multiply
    250,003.53x = 345,038.94 × 148,021.29
  4. Step 4: Simplify right side
    250,003.53x = 51,073,108,999.03
  5. Step 5: Solve for x
    x = 51,073,108,999.03/250,003.53
  6. Step 6: Final answer
    x = 204,289.55

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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.