Home / 108,683.48-163,025.32-87,524.30

Finding the Fourth Proportional to 108,683.48, 163,025.32 and 87,524.30

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Solution

The fourth proportional to 108,683.48, 163,025.32 and 87,524.30 is: 131,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,683.48 : 163,025.32 = 87,524.30 : x
  2. Step 2: Convert to fraction form
    108,683.48/163,025.32 = 87,524.30/x
  3. Step 3: Cross multiply
    108,683.48x = 163,025.32 × 87,524.30
  4. Step 4: Simplify right side
    108,683.48x = 14,268,677,015.28
  5. Step 5: Solve for x
    x = 14,268,677,015.28/108,683.48
  6. Step 6: Final answer
    x = 131,286.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.