Home / 326,378.26-450,390.31-181,190.35

Finding the Fourth Proportional to 326,378.26, 450,390.31 and 181,190.35

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Solution

The fourth proportional to 326,378.26, 450,390.31 and 181,190.35 is: 250,036.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,378.26 : 450,390.31 = 181,190.35 : x
  2. Step 2: Convert to fraction form
    326,378.26/450,390.31 = 181,190.35/x
  3. Step 3: Cross multiply
    326,378.26x = 450,390.31 × 181,190.35
  4. Step 4: Simplify right side
    326,378.26x = 81,606,378,015.52
  5. Step 5: Solve for x
    x = 81,606,378,015.52/326,378.26
  6. Step 6: Final answer
    x = 250,036.19

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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.