Home / 119,788.75-165,309.24-66,075.22

Finding the Fourth Proportional to 119,788.75, 165,309.24 and 66,075.22

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Solution

The fourth proportional to 119,788.75, 165,309.24 and 66,075.22 is: 91,184.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,788.75 : 165,309.24 = 66,075.22 : x
  2. Step 2: Convert to fraction form
    119,788.75/165,309.24 = 66,075.22/x
  3. Step 3: Cross multiply
    119,788.75x = 165,309.24 × 66,075.22
  4. Step 4: Simplify right side
    119,788.75x = 10,922,844,401.03
  5. Step 5: Solve for x
    x = 10,922,844,401.03/119,788.75
  6. Step 6: Final answer
    x = 91,184.23

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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.