Home / 117,611.28-162,302.88-69,241.32

Finding the Fourth Proportional to 117,611.28, 162,302.88 and 69,241.32

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Solution

The fourth proportional to 117,611.28, 162,302.88 and 69,241.32 is: 95,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,611.28 : 162,302.88 = 69,241.32 : x
  2. Step 2: Convert to fraction form
    117,611.28/162,302.88 = 69,241.32/x
  3. Step 3: Cross multiply
    117,611.28x = 162,302.88 × 69,241.32
  4. Step 4: Simplify right side
    117,611.28x = 11,238,065,651.00
  5. Step 5: Solve for x
    x = 11,238,065,651.00/117,611.28
  6. Step 6: Final answer
    x = 95,552.62

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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.