Home / 119,396.06-164,765.38-65,681.14

Finding the Fourth Proportional to 119,396.06, 164,765.38 and 65,681.14

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Solution

The fourth proportional to 119,396.06, 164,765.38 and 65,681.14 is: 90,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,396.06 : 164,765.38 = 65,681.14 : x
  2. Step 2: Convert to fraction form
    119,396.06/164,765.38 = 65,681.14/x
  3. Step 3: Cross multiply
    119,396.06x = 164,765.38 × 65,681.14
  4. Step 4: Simplify right side
    119,396.06x = 10,821,977,990.93
  5. Step 5: Solve for x
    x = 10,821,977,990.93/119,396.06
  6. Step 6: Final answer
    x = 90,639.32

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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.