Home / 213,211.85-294,236.94-117,724.58

Finding the Fourth Proportional to 213,211.85, 294,236.94 and 117,724.58

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Solution

The fourth proportional to 213,211.85, 294,236.94 and 117,724.58 is: 162,462.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,211.85 : 294,236.94 = 117,724.58 : x
  2. Step 2: Convert to fraction form
    213,211.85/294,236.94 = 117,724.58/x
  3. Step 3: Cross multiply
    213,211.85x = 294,236.94 × 117,724.58
  4. Step 4: Simplify right side
    213,211.85x = 34,638,920,181.99
  5. Step 5: Solve for x
    x = 34,638,920,181.99/213,211.85
  6. Step 6: Final answer
    x = 162,462.45

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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.