Home / 213,583.87-294,736.40-116,785.90

Finding the Fourth Proportional to 213,583.87, 294,736.40 and 116,785.90

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Solution

The fourth proportional to 213,583.87, 294,736.40 and 116,785.90 is: 161,159.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,583.87 : 294,736.40 = 116,785.90 : x
  2. Step 2: Convert to fraction form
    213,583.87/294,736.40 = 116,785.90/x
  3. Step 3: Cross multiply
    213,583.87x = 294,736.40 × 116,785.90
  4. Step 4: Simplify right side
    213,583.87x = 34,421,054,263.08
  5. Step 5: Solve for x
    x = 34,421,054,263.08/213,583.87
  6. Step 6: Final answer
    x = 161,159.43

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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.