Home / 132,466.68-198,709.74-53,579.16

Finding the Fourth Proportional to 132,466.68, 198,709.74 and 53,579.16

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Solution

The fourth proportional to 132,466.68, 198,709.74 and 53,579.16 is: 80,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.68 : 198,709.74 = 53,579.16 : x
  2. Step 2: Convert to fraction form
    132,466.68/198,709.74 = 53,579.16/x
  3. Step 3: Cross multiply
    132,466.68x = 198,709.74 × 53,579.16
  4. Step 4: Simplify right side
    132,466.68x = 10,646,700,953.02
  5. Step 5: Solve for x
    x = 10,646,700,953.02/132,466.68
  6. Step 6: Final answer
    x = 80,372.67

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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.