Home / 217,579.50-326,869.56-154,552.86

Finding the Fourth Proportional to 217,579.50, 326,869.56 and 154,552.86

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Solution

The fourth proportional to 217,579.50, 326,869.56 and 154,552.86 is: 232,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.50 : 326,869.56 = 154,552.86 : x
  2. Step 2: Convert to fraction form
    217,579.50/326,869.56 = 154,552.86/x
  3. Step 3: Cross multiply
    217,579.50x = 326,869.56 × 154,552.86
  4. Step 4: Simplify right side
    217,579.50x = 50,518,625,344.94
  5. Step 5: Solve for x
    x = 50,518,625,344.94/217,579.50
  6. Step 6: Final answer
    x = 232,184.67

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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.