Home / 324,864.75-448,290.59-188,889.05

Finding the Fourth Proportional to 324,864.75, 448,290.59 and 188,889.05

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Solution

The fourth proportional to 324,864.75, 448,290.59 and 188,889.05 is: 260,653.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,864.75 : 448,290.59 = 188,889.05 : x
  2. Step 2: Convert to fraction form
    324,864.75/448,290.59 = 188,889.05/x
  3. Step 3: Cross multiply
    324,864.75x = 448,290.59 × 188,889.05
  4. Step 4: Simplify right side
    324,864.75x = 84,677,180,483.14
  5. Step 5: Solve for x
    x = 84,677,180,483.14/324,864.75
  6. Step 6: Final answer
    x = 260,653.64

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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.