Home / 132,069.64-198,102.30-53,181.88

Finding the Fourth Proportional to 132,069.64, 198,102.30 and 53,181.88

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Solution

The fourth proportional to 132,069.64, 198,102.30 and 53,181.88 is: 79,771.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,069.64 : 198,102.30 = 53,181.88 : x
  2. Step 2: Convert to fraction form
    132,069.64/198,102.30 = 53,181.88/x
  3. Step 3: Cross multiply
    132,069.64x = 198,102.30 × 53,181.88
  4. Step 4: Simplify right side
    132,069.64x = 10,535,452,746.32
  5. Step 5: Solve for x
    x = 10,535,452,746.32/132,069.64
  6. Step 6: Final answer
    x = 79,771.95

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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.