Home / 104,619.12-156,928.68-69,627.12

Finding the Fourth Proportional to 104,619.12, 156,928.68 and 69,627.12

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Solution

The fourth proportional to 104,619.12, 156,928.68 and 69,627.12 is: 104,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,619.12 : 156,928.68 = 69,627.12 : x
  2. Step 2: Convert to fraction form
    104,619.12/156,928.68 = 69,627.12/x
  3. Step 3: Cross multiply
    104,619.12x = 156,928.68 × 69,627.12
  4. Step 4: Simplify right side
    104,619.12x = 10,926,492,033.80
  5. Step 5: Solve for x
    x = 10,926,492,033.80/104,619.12
  6. Step 6: Final answer
    x = 104,440.68

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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.