Home / 236,211.14-354,129.60-117,821.54

Finding the Fourth Proportional to 236,211.14, 354,129.60 and 117,821.54

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Solution

The fourth proportional to 236,211.14, 354,129.60 and 117,821.54 is: 176,638.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,211.14 : 354,129.60 = 117,821.54 : x
  2. Step 2: Convert to fraction form
    236,211.14/354,129.60 = 117,821.54/x
  3. Step 3: Cross multiply
    236,211.14x = 354,129.60 × 117,821.54
  4. Step 4: Simplify right side
    236,211.14x = 41,724,094,831.58
  5. Step 5: Solve for x
    x = 41,724,094,831.58/236,211.14
  6. Step 6: Final answer
    x = 176,638.98

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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.