Home / 326,811.52-450,929.93-190,783.73

Finding the Fourth Proportional to 326,811.52, 450,929.93 and 190,783.73

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Solution

The fourth proportional to 326,811.52, 450,929.93 and 190,783.73 is: 263,240.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,811.52 : 450,929.93 = 190,783.73 : x
  2. Step 2: Convert to fraction form
    326,811.52/450,929.93 = 190,783.73/x
  3. Step 3: Cross multiply
    326,811.52x = 450,929.93 × 190,783.73
  4. Step 4: Simplify right side
    326,811.52x = 86,030,091,759.39
  5. Step 5: Solve for x
    x = 86,030,091,759.39/326,811.52
  6. Step 6: Final answer
    x = 263,240.70

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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.