Home / 117,110.51-161,611.40-63,394.14

Finding the Fourth Proportional to 117,110.51, 161,611.40 and 63,394.14

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Solution

The fourth proportional to 117,110.51, 161,611.40 and 63,394.14 is: 87,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,110.51 : 161,611.40 = 63,394.14 : x
  2. Step 2: Convert to fraction form
    117,110.51/161,611.40 = 63,394.14/x
  3. Step 3: Cross multiply
    117,110.51x = 161,611.40 × 63,394.14
  4. Step 4: Simplify right side
    117,110.51x = 10,245,216,481.72
  5. Step 5: Solve for x
    x = 10,245,216,481.72/117,110.51
  6. Step 6: Final answer
    x = 87,483.32

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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.