Home / 445,057.20-667,585.80-164,516.40

Finding the Fourth Proportional to 445,057.20, 667,585.80 and 164,516.40

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Solution

The fourth proportional to 445,057.20, 667,585.80 and 164,516.40 is: 246,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,057.20 : 667,585.80 = 164,516.40 : x
  2. Step 2: Convert to fraction form
    445,057.20/667,585.80 = 164,516.40/x
  3. Step 3: Cross multiply
    445,057.20x = 667,585.80 × 164,516.40
  4. Step 4: Simplify right side
    445,057.20x = 109,828,812,507.12
  5. Step 5: Solve for x
    x = 109,828,812,507.12/445,057.20
  6. Step 6: Final answer
    x = 246,774.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.