Home / 147,396.85-203,408.33-83,738.14

Finding the Fourth Proportional to 147,396.85, 203,408.33 and 83,738.14

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Solution

The fourth proportional to 147,396.85, 203,408.33 and 83,738.14 is: 115,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,396.85 : 203,408.33 = 83,738.14 : x
  2. Step 2: Convert to fraction form
    147,396.85/203,408.33 = 83,738.14/x
  3. Step 3: Cross multiply
    147,396.85x = 203,408.33 × 83,738.14
  4. Step 4: Simplify right side
    147,396.85x = 17,033,034,287.49
  5. Step 5: Solve for x
    x = 17,033,034,287.49/147,396.85
  6. Step 6: Final answer
    x = 115,559.01

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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.