Home / 197,645.84-272,749.36-106,999.48

Finding the Fourth Proportional to 197,645.84, 272,749.36 and 106,999.48

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Solution

The fourth proportional to 197,645.84, 272,749.36 and 106,999.48 is: 147,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,645.84 : 272,749.36 = 106,999.48 : x
  2. Step 2: Convert to fraction form
    197,645.84/272,749.36 = 106,999.48/x
  3. Step 3: Cross multiply
    197,645.84x = 272,749.36 × 106,999.48
  4. Step 4: Simplify right side
    197,645.84x = 29,184,037,791.59
  5. Step 5: Solve for x
    x = 29,184,037,791.59/197,645.84
  6. Step 6: Final answer
    x = 147,658.25

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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.