Home / 229,940.35-317,046.27-157,378.24

Finding the Fourth Proportional to 229,940.35, 317,046.27 and 157,378.24

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Solution

The fourth proportional to 229,940.35, 317,046.27 and 157,378.24 is: 216,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,940.35 : 317,046.27 = 157,378.24 : x
  2. Step 2: Convert to fraction form
    229,940.35/317,046.27 = 157,378.24/x
  3. Step 3: Cross multiply
    229,940.35x = 317,046.27 × 157,378.24
  4. Step 4: Simplify right side
    229,940.35x = 49,896,183,971.16
  5. Step 5: Solve for x
    x = 49,896,183,971.16/229,940.35
  6. Step 6: Final answer
    x = 216,996.21

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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.