Home / 117,110.41-161,611.61-63,394.25

Finding the Fourth Proportional to 117,110.41, 161,611.61 and 63,394.25

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Solution

The fourth proportional to 117,110.41, 161,611.61 and 63,394.25 is: 87,483.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,110.41 : 161,611.61 = 63,394.25 : x
  2. Step 2: Convert to fraction form
    117,110.41/161,611.61 = 63,394.25/x
  3. Step 3: Cross multiply
    117,110.41x = 161,611.61 × 63,394.25
  4. Step 4: Simplify right side
    117,110.41x = 10,245,245,682.21
  5. Step 5: Solve for x
    x = 10,245,245,682.21/117,110.41
  6. Step 6: Final answer
    x = 87,483.65

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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.