Home / 118,748.10-178,133.84-34,509

Finding the Fourth Proportional to 118,748.10, 178,133.84 and 34,509

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Solution

The fourth proportional to 118,748.10, 178,133.84 and 34,509 is: 51,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,748.10 : 178,133.84 = 34,509 : x
  2. Step 2: Convert to fraction form
    118,748.10/178,133.84 = 34,509/x
  3. Step 3: Cross multiply
    118,748.10x = 178,133.84 × 34,509
  4. Step 4: Simplify right side
    118,748.10x = 6,147,220,684.56
  5. Step 5: Solve for x
    x = 6,147,220,684.56/118,748.10
  6. Step 6: Final answer
    x = 51,766.90

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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.