Home / 166,961.36-230,441.40-153,511.30

Finding the Fourth Proportional to 166,961.36, 230,441.40 and 153,511.30

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Solution

The fourth proportional to 166,961.36, 230,441.40 and 153,511.30 is: 211,877.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,961.36 : 230,441.40 = 153,511.30 : x
  2. Step 2: Convert to fraction form
    166,961.36/230,441.40 = 153,511.30/x
  3. Step 3: Cross multiply
    166,961.36x = 230,441.40 × 153,511.30
  4. Step 4: Simplify right side
    166,961.36x = 35,375,358,887.82
  5. Step 5: Solve for x
    x = 35,375,358,887.82/166,961.36
  6. Step 6: Final answer
    x = 211,877.52

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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.