Home / 133,750.78-184,578.16-80,038.06

Finding the Fourth Proportional to 133,750.78, 184,578.16 and 80,038.06

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Solution

The fourth proportional to 133,750.78, 184,578.16 and 80,038.06 is: 110,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,750.78 : 184,578.16 = 80,038.06 : x
  2. Step 2: Convert to fraction form
    133,750.78/184,578.16 = 80,038.06/x
  3. Step 3: Cross multiply
    133,750.78x = 184,578.16 × 80,038.06
  4. Step 4: Simplify right side
    133,750.78x = 14,773,277,844.77
  5. Step 5: Solve for x
    x = 14,773,277,844.77/133,750.78
  6. Step 6: Final answer
    x = 110,453.77

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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.