Home / 229,964.25-317,355.53-129,362.25

Finding the Fourth Proportional to 229,964.25, 317,355.53 and 129,362.25

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Solution

The fourth proportional to 229,964.25, 317,355.53 and 129,362.25 is: 178,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,964.25 : 317,355.53 = 129,362.25 : x
  2. Step 2: Convert to fraction form
    229,964.25/317,355.53 = 129,362.25/x
  3. Step 3: Cross multiply
    229,964.25x = 317,355.53 × 129,362.25
  4. Step 4: Simplify right side
    229,964.25x = 41,053,824,763.93
  5. Step 5: Solve for x
    x = 41,053,824,763.93/229,964.25
  6. Step 6: Final answer
    x = 178,522.64

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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.