Home / 288,230.03-397,923.47-191,564.97

Finding the Fourth Proportional to 288,230.03, 397,923.47 and 191,564.97

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Solution

The fourth proportional to 288,230.03, 397,923.47 and 191,564.97 is: 264,470.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,230.03 : 397,923.47 = 191,564.97 : x
  2. Step 2: Convert to fraction form
    288,230.03/397,923.47 = 191,564.97/x
  3. Step 3: Cross multiply
    288,230.03x = 397,923.47 × 191,564.97
  4. Step 4: Simplify right side
    288,230.03x = 76,228,198,845.60
  5. Step 5: Solve for x
    x = 76,228,198,845.60/288,230.03
  6. Step 6: Final answer
    x = 264,470.01

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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.