Home / 286,301.03-395,131.71-173,186.15

Finding the Fourth Proportional to 286,301.03, 395,131.71 and 173,186.15

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Solution

The fourth proportional to 286,301.03, 395,131.71 and 173,186.15 is: 239,018.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,301.03 : 395,131.71 = 173,186.15 : x
  2. Step 2: Convert to fraction form
    286,301.03/395,131.71 = 173,186.15/x
  3. Step 3: Cross multiply
    286,301.03x = 395,131.71 × 173,186.15
  4. Step 4: Simplify right side
    286,301.03x = 68,431,339,597.82
  5. Step 5: Solve for x
    x = 68,431,339,597.82/286,301.03
  6. Step 6: Final answer
    x = 239,018.84

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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.