Home / 331,749.72-457,774.47-188,469.63

Finding the Fourth Proportional to 331,749.72, 457,774.47 and 188,469.63

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Solution

The fourth proportional to 331,749.72, 457,774.47 and 188,469.63 is: 260,065.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,749.72 : 457,774.47 = 188,469.63 : x
  2. Step 2: Convert to fraction form
    331,749.72/457,774.47 = 188,469.63/x
  3. Step 3: Cross multiply
    331,749.72x = 457,774.47 × 188,469.63
  4. Step 4: Simplify right side
    331,749.72x = 86,276,584,984.35
  5. Step 5: Solve for x
    x = 86,276,584,984.35/331,749.72
  6. Step 6: Final answer
    x = 260,065.28

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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.