Home / 207,933.77-286,936.65-117,284.33

Finding the Fourth Proportional to 207,933.77, 286,936.65 and 117,284.33

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Solution

The fourth proportional to 207,933.77, 286,936.65 and 117,284.33 is: 161,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.77 : 286,936.65 = 117,284.33 : x
  2. Step 2: Convert to fraction form
    207,933.77/286,936.65 = 117,284.33/x
  3. Step 3: Cross multiply
    207,933.77x = 286,936.65 × 117,284.33
  4. Step 4: Simplify right side
    207,933.77x = 33,653,172,747.69
  5. Step 5: Solve for x
    x = 33,653,172,747.69/207,933.77
  6. Step 6: Final answer
    x = 161,845.63

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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.