Home / 133,531.52-184,263-76,947.44

Finding the Fourth Proportional to 133,531.52, 184,263 and 76,947.44

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Solution

The fourth proportional to 133,531.52, 184,263 and 76,947.44 is: 106,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,531.52 : 184,263 = 76,947.44 : x
  2. Step 2: Convert to fraction form
    133,531.52/184,263 = 76,947.44/x
  3. Step 3: Cross multiply
    133,531.52x = 184,263 × 76,947.44
  4. Step 4: Simplify right side
    133,531.52x = 14,178,566,136.72
  5. Step 5: Solve for x
    x = 14,178,566,136.72/133,531.52
  6. Step 6: Final answer
    x = 106,181.42

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1.5x scale

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.