Home / 123,277.10-184,807.65-83,705.90

Finding the Fourth Proportional to 123,277.10, 184,807.65 and 83,705.90

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Solution

The fourth proportional to 123,277.10, 184,807.65 and 83,705.90 is: 125,485.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,277.10 : 184,807.65 = 83,705.90 : x
  2. Step 2: Convert to fraction form
    123,277.10/184,807.65 = 83,705.90/x
  3. Step 3: Cross multiply
    123,277.10x = 184,807.65 × 83,705.90
  4. Step 4: Simplify right side
    123,277.10x = 15,469,490,670.14
  5. Step 5: Solve for x
    x = 15,469,490,670.14/123,277.10
  6. Step 6: Final answer
    x = 125,485.52

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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.