Home / 236,004.06-353,874.84-78,146.40

Finding the Fourth Proportional to 236,004.06, 353,874.84 and 78,146.40

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Solution

The fourth proportional to 236,004.06, 353,874.84 and 78,146.40 is: 117,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,004.06 : 353,874.84 = 78,146.40 : x
  2. Step 2: Convert to fraction form
    236,004.06/353,874.84 = 78,146.40/x
  3. Step 3: Cross multiply
    236,004.06x = 353,874.84 × 78,146.40
  4. Step 4: Simplify right side
    236,004.06x = 27,654,044,796.58
  5. Step 5: Solve for x
    x = 27,654,044,796.58/236,004.06
  6. Step 6: Final answer
    x = 117,176.14

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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.