Home / 493,280.98-739,942.04-156,314.17

Finding the Fourth Proportional to 493,280.98, 739,942.04 and 156,314.17

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Solution

The fourth proportional to 493,280.98, 739,942.04 and 156,314.17 is: 234,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,280.98 : 739,942.04 = 156,314.17 : x
  2. Step 2: Convert to fraction form
    493,280.98/739,942.04 = 156,314.17/x
  3. Step 3: Cross multiply
    493,280.98x = 739,942.04 × 156,314.17
  4. Step 4: Simplify right side
    493,280.98x = 115,663,422,131.00
  5. Step 5: Solve for x
    x = 115,663,422,131.00/493,280.98
  6. Step 6: Final answer
    x = 234,477.77

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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.