Home / 119,265.12-164,586.21-65,555.64

Finding the Fourth Proportional to 119,265.12, 164,586.21 and 65,555.64

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Solution

The fourth proportional to 119,265.12, 164,586.21 and 65,555.64 is: 90,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,265.12 : 164,586.21 = 65,555.64 : x
  2. Step 2: Convert to fraction form
    119,265.12/164,586.21 = 65,555.64/x
  3. Step 3: Cross multiply
    119,265.12x = 164,586.21 × 65,555.64
  4. Step 4: Simplify right side
    119,265.12x = 10,789,554,331.72
  5. Step 5: Solve for x
    x = 10,789,554,331.72/119,265.12
  6. Step 6: Final answer
    x = 90,466.97

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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.