Home / 323,822.20-485,774.04-173,856.40

Finding the Fourth Proportional to 323,822.20, 485,774.04 and 173,856.40

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Solution

The fourth proportional to 323,822.20, 485,774.04 and 173,856.40 is: 260,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,822.20 : 485,774.04 = 173,856.40 : x
  2. Step 2: Convert to fraction form
    323,822.20/485,774.04 = 173,856.40/x
  3. Step 3: Cross multiply
    323,822.20x = 485,774.04 × 173,856.40
  4. Step 4: Simplify right side
    323,822.20x = 84,454,925,807.86
  5. Step 5: Solve for x
    x = 84,454,925,807.86/323,822.20
  6. Step 6: Final answer
    x = 260,806.47

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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.