Home / 119,351.21-164,701.39-65,636.23

Finding the Fourth Proportional to 119,351.21, 164,701.39 and 65,636.23

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Solution

The fourth proportional to 119,351.21, 164,701.39 and 65,636.23 is: 90,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.21 : 164,701.39 = 65,636.23 : x
  2. Step 2: Convert to fraction form
    119,351.21/164,701.39 = 65,636.23/x
  3. Step 3: Cross multiply
    119,351.21x = 164,701.39 × 65,636.23
  4. Step 4: Simplify right side
    119,351.21x = 10,810,378,819.22
  5. Step 5: Solve for x
    x = 10,810,378,819.22/119,351.21
  6. Step 6: Final answer
    x = 90,576.20

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1.5x scale

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.