Home / 294,185.05-405,962.55-163,354.59

Finding the Fourth Proportional to 294,185.05, 405,962.55 and 163,354.59

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Solution

The fourth proportional to 294,185.05, 405,962.55 and 163,354.59 is: 225,422.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,185.05 : 405,962.55 = 163,354.59 : x
  2. Step 2: Convert to fraction form
    294,185.05/405,962.55 = 163,354.59/x
  3. Step 3: Cross multiply
    294,185.05x = 405,962.55 × 163,354.59
  4. Step 4: Simplify right side
    294,185.05x = 66,315,845,910.60
  5. Step 5: Solve for x
    x = 66,315,845,910.60/294,185.05
  6. Step 6: Final answer
    x = 225,422.22

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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.