Home / 326,147.50-450,084.36-190,274.86

Finding the Fourth Proportional to 326,147.50, 450,084.36 and 190,274.86

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Solution

The fourth proportional to 326,147.50, 450,084.36 and 190,274.86 is: 262,579.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,147.50 : 450,084.36 = 190,274.86 : x
  2. Step 2: Convert to fraction form
    326,147.50/450,084.36 = 190,274.86/x
  3. Step 3: Cross multiply
    326,147.50x = 450,084.36 × 190,274.86
  4. Step 4: Simplify right side
    326,147.50x = 85,639,738,587.19
  5. Step 5: Solve for x
    x = 85,639,738,587.19/326,147.50
  6. Step 6: Final answer
    x = 262,579.78

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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.