Home / 104,436.12-144,196.74-64,203.82

Finding the Fourth Proportional to 104,436.12, 144,196.74 and 64,203.82

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Solution

The fourth proportional to 104,436.12, 144,196.74 and 64,203.82 is: 88,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,436.12 : 144,196.74 = 64,203.82 : x
  2. Step 2: Convert to fraction form
    104,436.12/144,196.74 = 64,203.82/x
  3. Step 3: Cross multiply
    104,436.12x = 144,196.74 × 64,203.82
  4. Step 4: Simplify right side
    104,436.12x = 9,257,981,539.55
  5. Step 5: Solve for x
    x = 9,257,981,539.55/104,436.12
  6. Step 6: Final answer
    x = 88,647.31

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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.