Home / 147,365.03-203,363.74-80,297.03

Finding the Fourth Proportional to 147,365.03, 203,363.74 and 80,297.03

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Solution

The fourth proportional to 147,365.03, 203,363.74 and 80,297.03 is: 110,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,365.03 : 203,363.74 = 80,297.03 : x
  2. Step 2: Convert to fraction form
    147,365.03/203,363.74 = 80,297.03/x
  3. Step 3: Cross multiply
    147,365.03x = 203,363.74 × 80,297.03
  4. Step 4: Simplify right side
    147,365.03x = 16,329,504,331.69
  5. Step 5: Solve for x
    x = 16,329,504,331.69/147,365.03
  6. Step 6: Final answer
    x = 110,809.90

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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.