Home / 286,966.89-395,907.35-179,496.09

Finding the Fourth Proportional to 286,966.89, 395,907.35 and 179,496.09

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Solution

The fourth proportional to 286,966.89, 395,907.35 and 179,496.09 is: 247,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,966.89 : 395,907.35 = 179,496.09 : x
  2. Step 2: Convert to fraction form
    286,966.89/395,907.35 = 179,496.09/x
  3. Step 3: Cross multiply
    286,966.89x = 395,907.35 × 179,496.09
  4. Step 4: Simplify right side
    286,966.89x = 71,063,820,429.78
  5. Step 5: Solve for x
    x = 71,063,820,429.78/286,966.89
  6. Step 6: Final answer
    x = 247,637.70

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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.