Home / 213,517.05-294,648.35-118,021.29

Finding the Fourth Proportional to 213,517.05, 294,648.35 and 118,021.29

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Solution

The fourth proportional to 213,517.05, 294,648.35 and 118,021.29 is: 162,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,517.05 : 294,648.35 = 118,021.29 : x
  2. Step 2: Convert to fraction form
    213,517.05/294,648.35 = 118,021.29/x
  3. Step 3: Cross multiply
    213,517.05x = 294,648.35 × 118,021.29
  4. Step 4: Simplify right side
    213,517.05x = 34,774,777,773.27
  5. Step 5: Solve for x
    x = 34,774,777,773.27/213,517.05
  6. Step 6: Final answer
    x = 162,866.51

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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.