Home / 229,855.25-317,356.52-143,849.07

Finding the Fourth Proportional to 229,855.25, 317,356.52 and 143,849.07

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Solution

The fourth proportional to 229,855.25, 317,356.52 and 143,849.07 is: 198,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,855.25 : 317,356.52 = 143,849.07 : x
  2. Step 2: Convert to fraction form
    229,855.25/317,356.52 = 143,849.07/x
  3. Step 3: Cross multiply
    229,855.25x = 317,356.52 × 143,849.07
  4. Step 4: Simplify right side
    229,855.25x = 45,651,439,541.19
  5. Step 5: Solve for x
    x = 45,651,439,541.19/229,855.25
  6. Step 6: Final answer
    x = 198,609.52

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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.