Home / 286,533.16-395,314.74-163,936

Finding the Fourth Proportional to 286,533.16, 395,314.74 and 163,936

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Solution

The fourth proportional to 286,533.16, 395,314.74 and 163,936 is: 226,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,533.16 : 395,314.74 = 163,936 : x
  2. Step 2: Convert to fraction form
    286,533.16/395,314.74 = 163,936/x
  3. Step 3: Cross multiply
    286,533.16x = 395,314.74 × 163,936
  4. Step 4: Simplify right side
    286,533.16x = 64,806,317,216.64
  5. Step 5: Solve for x
    x = 64,806,317,216.64/286,533.16
  6. Step 6: Final answer
    x = 226,173.88

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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.