Home / 119,653.20-165,110.40-68,655.60

Finding the Fourth Proportional to 119,653.20, 165,110.40 and 68,655.60

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Solution

The fourth proportional to 119,653.20, 165,110.40 and 68,655.60 is: 94,738.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,653.20 : 165,110.40 = 68,655.60 : x
  2. Step 2: Convert to fraction form
    119,653.20/165,110.40 = 68,655.60/x
  3. Step 3: Cross multiply
    119,653.20x = 165,110.40 × 68,655.60
  4. Step 4: Simplify right side
    119,653.20x = 11,335,753,578.24
  5. Step 5: Solve for x
    x = 11,335,753,578.24/119,653.20
  6. Step 6: Final answer
    x = 94,738.41

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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.