Home / 119,069.82-164,324.57-78,713.60

Finding the Fourth Proportional to 119,069.82, 164,324.57 and 78,713.60

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Solution

The fourth proportional to 119,069.82, 164,324.57 and 78,713.60 is: 108,630.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,069.82 : 164,324.57 = 78,713.60 : x
  2. Step 2: Convert to fraction form
    119,069.82/164,324.57 = 78,713.60/x
  3. Step 3: Cross multiply
    119,069.82x = 164,324.57 × 78,713.60
  4. Step 4: Simplify right side
    119,069.82x = 12,934,577,257.96
  5. Step 5: Solve for x
    x = 12,934,577,257.96/119,069.82
  6. Step 6: Final answer
    x = 108,630.19

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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.