Home / 187,905.54-259,320.27-111,469.89

Finding the Fourth Proportional to 187,905.54, 259,320.27 and 111,469.89

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Solution

The fourth proportional to 187,905.54, 259,320.27 and 111,469.89 is: 153,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,905.54 : 259,320.27 = 111,469.89 : x
  2. Step 2: Convert to fraction form
    187,905.54/259,320.27 = 111,469.89/x
  3. Step 3: Cross multiply
    187,905.54x = 259,320.27 × 111,469.89
  4. Step 4: Simplify right side
    187,905.54x = 28,906,401,971.67
  5. Step 5: Solve for x
    x = 28,906,401,971.67/187,905.54
  6. Step 6: Final answer
    x = 153,834.75

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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.