Home / 328,319.27-453,110.29-199,290.60

Finding the Fourth Proportional to 328,319.27, 453,110.29 and 199,290.60

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Solution

The fourth proportional to 328,319.27, 453,110.29 and 199,290.60 is: 275,039.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,319.27 : 453,110.29 = 199,290.60 : x
  2. Step 2: Convert to fraction form
    328,319.27/453,110.29 = 199,290.60/x
  3. Step 3: Cross multiply
    328,319.27x = 453,110.29 × 199,290.60
  4. Step 4: Simplify right side
    328,319.27x = 90,300,623,177.18
  5. Step 5: Solve for x
    x = 90,300,623,177.18/328,319.27
  6. Step 6: Final answer
    x = 275,039.06

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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.