Home / 196,289.80-270,881.24-111,408.28

Finding the Fourth Proportional to 196,289.80, 270,881.24 and 111,408.28

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Solution

The fourth proportional to 196,289.80, 270,881.24 and 111,408.28 is: 153,744.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,289.80 : 270,881.24 = 111,408.28 : x
  2. Step 2: Convert to fraction form
    196,289.80/270,881.24 = 111,408.28/x
  3. Step 3: Cross multiply
    196,289.80x = 270,881.24 × 111,408.28
  4. Step 4: Simplify right side
    196,289.80x = 30,178,413,032.67
  5. Step 5: Solve for x
    x = 30,178,413,032.67/196,289.80
  6. Step 6: Final answer
    x = 153,744.17

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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.