Home / 119,880.14-165,427.52-66,163.77

Finding the Fourth Proportional to 119,880.14, 165,427.52 and 66,163.77

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Solution

The fourth proportional to 119,880.14, 165,427.52 and 66,163.77 is: 91,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,880.14 : 165,427.52 = 66,163.77 : x
  2. Step 2: Convert to fraction form
    119,880.14/165,427.52 = 66,163.77/x
  3. Step 3: Cross multiply
    119,880.14x = 165,427.52 × 66,163.77
  4. Step 4: Simplify right side
    119,880.14x = 10,945,308,054.13
  5. Step 5: Solve for x
    x = 10,945,308,054.13/119,880.14
  6. Step 6: Final answer
    x = 91,302.10

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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.