Home / 213,581.87-294,733.64-116,783.90

Finding the Fourth Proportional to 213,581.87, 294,733.64 and 116,783.90

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Solution

The fourth proportional to 213,581.87, 294,733.64 and 116,783.90 is: 161,156.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,581.87 : 294,733.64 = 116,783.90 : x
  2. Step 2: Convert to fraction form
    213,581.87/294,733.64 = 116,783.90/x
  3. Step 3: Cross multiply
    213,581.87x = 294,733.64 × 116,783.90
  4. Step 4: Simplify right side
    213,581.87x = 34,420,142,466.73
  5. Step 5: Solve for x
    x = 34,420,142,466.73/213,581.87
  6. Step 6: Final answer
    x = 161,156.67

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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.