Home / 132,615.12-198,977.40-53,709.24

Finding the Fourth Proportional to 132,615.12, 198,977.40 and 53,709.24

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Solution

The fourth proportional to 132,615.12, 198,977.40 and 53,709.24 is: 80,586.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,615.12 : 198,977.40 = 53,709.24 : x
  2. Step 2: Convert to fraction form
    132,615.12/198,977.40 = 53,709.24/x
  3. Step 3: Cross multiply
    132,615.12x = 198,977.40 × 53,709.24
  4. Step 4: Simplify right side
    132,615.12x = 10,686,924,931.18
  5. Step 5: Solve for x
    x = 10,686,924,931.18/132,615.12
  6. Step 6: Final answer
    x = 80,586.02

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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.