Home / 156,850.37-216,452.75-88,867.21

Finding the Fourth Proportional to 156,850.37, 216,452.75 and 88,867.21

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Solution

The fourth proportional to 156,850.37, 216,452.75 and 88,867.21 is: 122,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,850.37 : 216,452.75 = 88,867.21 : x
  2. Step 2: Convert to fraction form
    156,850.37/216,452.75 = 88,867.21/x
  3. Step 3: Cross multiply
    156,850.37x = 216,452.75 × 88,867.21
  4. Step 4: Simplify right side
    156,850.37x = 19,235,551,989.33
  5. Step 5: Solve for x
    x = 19,235,551,989.33/156,850.37
  6. Step 6: Final answer
    x = 122,636.32

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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.