Home / 213,668.54-294,844.21-118,151.31

Finding the Fourth Proportional to 213,668.54, 294,844.21 and 118,151.31

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Solution

The fourth proportional to 213,668.54, 294,844.21 and 118,151.31 is: 163,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,668.54 : 294,844.21 = 118,151.31 : x
  2. Step 2: Convert to fraction form
    213,668.54/294,844.21 = 118,151.31/x
  3. Step 3: Cross multiply
    213,668.54x = 294,844.21 × 118,151.31
  4. Step 4: Simplify right side
    213,668.54x = 34,836,229,362.04
  5. Step 5: Solve for x
    x = 34,836,229,362.04/213,668.54
  6. Step 6: Final answer
    x = 163,038.65

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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.