Home / 122,920.37-184,409.07-38,678.34

Finding the Fourth Proportional to 122,920.37, 184,409.07 and 38,678.34

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Solution

The fourth proportional to 122,920.37, 184,409.07 and 38,678.34 is: 58,026.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,920.37 : 184,409.07 = 38,678.34 : x
  2. Step 2: Convert to fraction form
    122,920.37/184,409.07 = 38,678.34/x
  3. Step 3: Cross multiply
    122,920.37x = 184,409.07 × 38,678.34
  4. Step 4: Simplify right side
    122,920.37x = 7,132,636,441.84
  5. Step 5: Solve for x
    x = 7,132,636,441.84/122,920.37
  6. Step 6: Final answer
    x = 58,026.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.