Home / 323,121.60-445,826.88-194,081.76

Finding the Fourth Proportional to 323,121.60, 445,826.88 and 194,081.76

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Solution

The fourth proportional to 323,121.60, 445,826.88 and 194,081.76 is: 267,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,121.60 : 445,826.88 = 194,081.76 : x
  2. Step 2: Convert to fraction form
    323,121.60/445,826.88 = 194,081.76/x
  3. Step 3: Cross multiply
    323,121.60x = 445,826.88 × 194,081.76
  4. Step 4: Simplify right side
    323,121.60x = 86,526,865,525.71
  5. Step 5: Solve for x
    x = 86,526,865,525.71/323,121.60
  6. Step 6: Final answer
    x = 267,784.22

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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.