Home / 326,890.60-451,081.38-183,639.40

Finding the Fourth Proportional to 326,890.60, 451,081.38 and 183,639.40

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Solution

The fourth proportional to 326,890.60, 451,081.38 and 183,639.40 is: 253,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,890.60 : 451,081.38 = 183,639.40 : x
  2. Step 2: Convert to fraction form
    326,890.60/451,081.38 = 183,639.40/x
  3. Step 3: Cross multiply
    326,890.60x = 451,081.38 × 183,639.40
  4. Step 4: Simplify right side
    326,890.60x = 82,836,313,974.37
  5. Step 5: Solve for x
    x = 82,836,313,974.37/326,890.60
  6. Step 6: Final answer
    x = 253,406.84

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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.