Home / 112,321.55-168,479.09-29,215.55

Finding the Fourth Proportional to 112,321.55, 168,479.09 and 29,215.55

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Solution

The fourth proportional to 112,321.55, 168,479.09 and 29,215.55 is: 43,822.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,321.55 : 168,479.09 = 29,215.55 : x
  2. Step 2: Convert to fraction form
    112,321.55/168,479.09 = 29,215.55/x
  3. Step 3: Cross multiply
    112,321.55x = 168,479.09 × 29,215.55
  4. Step 4: Simplify right side
    112,321.55x = 4,922,209,662.53
  5. Step 5: Solve for x
    x = 4,922,209,662.53/112,321.55
  6. Step 6: Final answer
    x = 43,822.49

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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.