Home / 113,650.63-156,799.79-73,391.60

Finding the Fourth Proportional to 113,650.63, 156,799.79 and 73,391.60

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Solution

The fourth proportional to 113,650.63, 156,799.79 and 73,391.60 is: 101,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,650.63 : 156,799.79 = 73,391.60 : x
  2. Step 2: Convert to fraction form
    113,650.63/156,799.79 = 73,391.60/x
  3. Step 3: Cross multiply
    113,650.63x = 156,799.79 × 73,391.60
  4. Step 4: Simplify right side
    113,650.63x = 11,507,787,492.81
  5. Step 5: Solve for x
    x = 11,507,787,492.81/113,650.63
  6. Step 6: Final answer
    x = 101,255.82

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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.