Home / 219,084.39-302,350.46-123,556.23

Finding the Fourth Proportional to 219,084.39, 302,350.46 and 123,556.23

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Solution

The fourth proportional to 219,084.39, 302,350.46 and 123,556.23 is: 170,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,084.39 : 302,350.46 = 123,556.23 : x
  2. Step 2: Convert to fraction form
    219,084.39/302,350.46 = 123,556.23/x
  3. Step 3: Cross multiply
    219,084.39x = 302,350.46 × 123,556.23
  4. Step 4: Simplify right side
    219,084.39x = 37,357,282,976.37
  5. Step 5: Solve for x
    x = 37,357,282,976.37/219,084.39
  6. Step 6: Final answer
    x = 170,515.49

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1.5x scale

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.