Home / 445,856.27-668,643.90-146,267.04

Finding the Fourth Proportional to 445,856.27, 668,643.90 and 146,267.04

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Solution

The fourth proportional to 445,856.27, 668,643.90 and 146,267.04 is: 219,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,856.27 : 668,643.90 = 146,267.04 : x
  2. Step 2: Convert to fraction form
    445,856.27/668,643.90 = 146,267.04/x
  3. Step 3: Cross multiply
    445,856.27x = 668,643.90 × 146,267.04
  4. Step 4: Simplify right side
    445,856.27x = 97,800,564,067.06
  5. Step 5: Solve for x
    x = 97,800,564,067.06/445,856.27
  6. Step 6: Final answer
    x = 219,354.47

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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.