Home / 112,122.14-167,992.88-67,655.45

Finding the Fourth Proportional to 112,122.14, 167,992.88 and 67,655.45

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Solution

The fourth proportional to 112,122.14, 167,992.88 and 67,655.45 is: 101,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,122.14 : 167,992.88 = 67,655.45 : x
  2. Step 2: Convert to fraction form
    112,122.14/167,992.88 = 67,655.45/x
  3. Step 3: Cross multiply
    112,122.14x = 167,992.88 × 67,655.45
  4. Step 4: Simplify right side
    112,122.14x = 11,365,633,893.20
  5. Step 5: Solve for x
    x = 11,365,633,893.20/112,122.14
  6. Step 6: Final answer
    x = 101,368.33

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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.