Home / 207,839.42-286,794.02-117,189.98

Finding the Fourth Proportional to 207,839.42, 286,794.02 and 117,189.98

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Solution

The fourth proportional to 207,839.42, 286,794.02 and 117,189.98 is: 161,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,839.42 : 286,794.02 = 117,189.98 : x
  2. Step 2: Convert to fraction form
    207,839.42/286,794.02 = 117,189.98/x
  3. Step 3: Cross multiply
    207,839.42x = 286,794.02 × 117,189.98
  4. Step 4: Simplify right side
    207,839.42x = 33,609,383,448.00
  5. Step 5: Solve for x
    x = 33,609,383,448.00/207,839.42
  6. Step 6: Final answer
    x = 161,708.42

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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.