Home / 123,464.22-170,380.86-66,875.64

Finding the Fourth Proportional to 123,464.22, 170,380.86 and 66,875.64

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Solution

The fourth proportional to 123,464.22, 170,380.86 and 66,875.64 is: 92,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,464.22 : 170,380.86 = 66,875.64 : x
  2. Step 2: Convert to fraction form
    123,464.22/170,380.86 = 66,875.64/x
  3. Step 3: Cross multiply
    123,464.22x = 170,380.86 × 66,875.64
  4. Step 4: Simplify right side
    123,464.22x = 11,394,329,056.25
  5. Step 5: Solve for x
    x = 11,394,329,056.25/123,464.22
  6. Step 6: Final answer
    x = 92,288.51

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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.