Home / 117,162.60-161,682.39-63,447.18

Finding the Fourth Proportional to 117,162.60, 161,682.39 and 63,447.18

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Solution

The fourth proportional to 117,162.60, 161,682.39 and 63,447.18 is: 87,556.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,162.60 : 161,682.39 = 63,447.18 : x
  2. Step 2: Convert to fraction form
    117,162.60/161,682.39 = 63,447.18/x
  3. Step 3: Cross multiply
    117,162.60x = 161,682.39 × 63,447.18
  4. Step 4: Simplify right side
    117,162.60x = 10,258,291,701.16
  5. Step 5: Solve for x
    x = 10,258,291,701.16/117,162.60
  6. Step 6: Final answer
    x = 87,556.03

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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.