Home / 119,966.48-165,574-69,694.64

Finding the Fourth Proportional to 119,966.48, 165,574 and 69,694.64

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Solution

The fourth proportional to 119,966.48, 165,574 and 69,694.64 is: 96,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,966.48 : 165,574 = 69,694.64 : x
  2. Step 2: Convert to fraction form
    119,966.48/165,574 = 69,694.64/x
  3. Step 3: Cross multiply
    119,966.48x = 165,574 × 69,694.64
  4. Step 4: Simplify right side
    119,966.48x = 11,539,620,323.36
  5. Step 5: Solve for x
    x = 11,539,620,323.36/119,966.48
  6. Step 6: Final answer
    x = 96,190.37

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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.