Home / 184,557.80-276,180.60-128,133.20

Finding the Fourth Proportional to 184,557.80, 276,180.60 and 128,133.20

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Solution

The fourth proportional to 184,557.80, 276,180.60 and 128,133.20 is: 191,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,557.80 : 276,180.60 = 128,133.20 : x
  2. Step 2: Convert to fraction form
    184,557.80/276,180.60 = 128,133.20/x
  3. Step 3: Cross multiply
    184,557.80x = 276,180.60 × 128,133.20
  4. Step 4: Simplify right side
    184,557.80x = 35,387,904,055.92
  5. Step 5: Solve for x
    x = 35,387,904,055.92/184,557.80
  6. Step 6: Final answer
    x = 191,744.29

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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.