Home / 117,161.22-161,682.57-63,446.30

Finding the Fourth Proportional to 117,161.22, 161,682.57 and 63,446.30

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Solution

The fourth proportional to 117,161.22, 161,682.57 and 63,446.30 is: 87,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,161.22 : 161,682.57 = 63,446.30 : x
  2. Step 2: Convert to fraction form
    117,161.22/161,682.57 = 63,446.30/x
  3. Step 3: Cross multiply
    117,161.22x = 161,682.57 × 63,446.30
  4. Step 4: Simplify right side
    117,161.22x = 10,258,160,032.58
  5. Step 5: Solve for x
    x = 10,258,160,032.58/117,161.22
  6. Step 6: Final answer
    x = 87,555.93

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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.