Home / 123,208.78-184,833.10-48,288.28

Finding the Fourth Proportional to 123,208.78, 184,833.10 and 48,288.28

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Solution

The fourth proportional to 123,208.78, 184,833.10 and 48,288.28 is: 72,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,208.78 : 184,833.10 = 48,288.28 : x
  2. Step 2: Convert to fraction form
    123,208.78/184,833.10 = 48,288.28/x
  3. Step 3: Cross multiply
    123,208.78x = 184,833.10 × 48,288.28
  4. Step 4: Simplify right side
    123,208.78x = 8,925,272,486.07
  5. Step 5: Solve for x
    x = 8,925,272,486.07/123,208.78
  6. Step 6: Final answer
    x = 72,440.23

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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.