Home / 205,455.33-283,556.49-118,238.58

Finding the Fourth Proportional to 205,455.33, 283,556.49 and 118,238.58

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Solution

The fourth proportional to 205,455.33, 283,556.49 and 118,238.58 is: 163,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,455.33 : 283,556.49 = 118,238.58 : x
  2. Step 2: Convert to fraction form
    205,455.33/283,556.49 = 118,238.58/x
  3. Step 3: Cross multiply
    205,455.33x = 283,556.49 × 118,238.58
  4. Step 4: Simplify right side
    205,455.33x = 33,527,316,727.38
  5. Step 5: Solve for x
    x = 33,527,316,727.38/205,455.33
  6. Step 6: Final answer
    x = 163,185.43

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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.