Home / 326,811.27-450,929.59-190,783.48

Finding the Fourth Proportional to 326,811.27, 450,929.59 and 190,783.48

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Solution

The fourth proportional to 326,811.27, 450,929.59 and 190,783.48 is: 263,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,811.27 : 450,929.59 = 190,783.48 : x
  2. Step 2: Convert to fraction form
    326,811.27/450,929.59 = 190,783.48/x
  3. Step 3: Cross multiply
    326,811.27x = 450,929.59 × 190,783.48
  4. Step 4: Simplify right side
    326,811.27x = 86,029,916,415.17
  5. Step 5: Solve for x
    x = 86,029,916,415.17/326,811.27
  6. Step 6: Final answer
    x = 263,240.36

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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.