Home / 119,560.16-164,986.64-65,843.36

Finding the Fourth Proportional to 119,560.16, 164,986.64 and 65,843.36

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Solution

The fourth proportional to 119,560.16, 164,986.64 and 65,843.36 is: 90,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,560.16 : 164,986.64 = 65,843.36 : x
  2. Step 2: Convert to fraction form
    119,560.16/164,986.64 = 65,843.36/x
  3. Step 3: Cross multiply
    119,560.16x = 164,986.64 × 65,843.36
  4. Step 4: Simplify right side
    119,560.16x = 10,863,274,732.71
  5. Step 5: Solve for x
    x = 10,863,274,732.71/119,560.16
  6. Step 6: Final answer
    x = 90,860.32

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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.