Home / 492,734.10-739,101.15-193,224.45

Finding the Fourth Proportional to 492,734.10, 739,101.15 and 193,224.45

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Solution

The fourth proportional to 492,734.10, 739,101.15 and 193,224.45 is: 289,836.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,734.10 : 739,101.15 = 193,224.45 : x
  2. Step 2: Convert to fraction form
    492,734.10/739,101.15 = 193,224.45/x
  3. Step 3: Cross multiply
    492,734.10x = 739,101.15 × 193,224.45
  4. Step 4: Simplify right side
    492,734.10x = 142,812,413,203.12
  5. Step 5: Solve for x
    x = 142,812,413,203.12/492,734.10
  6. Step 6: Final answer
    x = 289,836.68

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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.