Home / 123,328.98-184,918.55-48,359.30

Finding the Fourth Proportional to 123,328.98, 184,918.55 and 48,359.30

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Solution

The fourth proportional to 123,328.98, 184,918.55 and 48,359.30 is: 72,509.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,328.98 : 184,918.55 = 48,359.30 : x
  2. Step 2: Convert to fraction form
    123,328.98/184,918.55 = 48,359.30/x
  3. Step 3: Cross multiply
    123,328.98x = 184,918.55 × 48,359.30
  4. Step 4: Simplify right side
    123,328.98x = 8,942,531,635.02
  5. Step 5: Solve for x
    x = 8,942,531,635.02/123,328.98
  6. Step 6: Final answer
    x = 72,509.57

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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.