Home / 132,749.55-183,219.44-76,197.87

Finding the Fourth Proportional to 132,749.55, 183,219.44 and 76,197.87

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Solution

The fourth proportional to 132,749.55, 183,219.44 and 76,197.87 is: 105,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,749.55 : 183,219.44 = 76,197.87 : x
  2. Step 2: Convert to fraction form
    132,749.55/183,219.44 = 76,197.87/x
  3. Step 3: Cross multiply
    132,749.55x = 183,219.44 × 76,197.87
  4. Step 4: Simplify right side
    132,749.55x = 13,960,930,689.60
  5. Step 5: Solve for x
    x = 13,960,930,689.60/132,749.55
  6. Step 6: Final answer
    x = 105,167.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.