Home / 133,067.08-183,605.16-76,467.52

Finding the Fourth Proportional to 133,067.08, 183,605.16 and 76,467.52

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Solution

The fourth proportional to 133,067.08, 183,605.16 and 76,467.52 is: 105,509.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,067.08 : 183,605.16 = 76,467.52 : x
  2. Step 2: Convert to fraction form
    133,067.08/183,605.16 = 76,467.52/x
  3. Step 3: Cross multiply
    133,067.08x = 183,605.16 × 76,467.52
  4. Step 4: Simplify right side
    133,067.08x = 14,039,831,244.40
  5. Step 5: Solve for x
    x = 14,039,831,244.40/133,067.08
  6. Step 6: Final answer
    x = 105,509.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.