Home / 112,518.40-168,801.90-33,640.60

Finding the Fourth Proportional to 112,518.40, 168,801.90 and 33,640.60

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Solution

The fourth proportional to 112,518.40, 168,801.90 and 33,640.60 is: 50,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.40 : 168,801.90 = 33,640.60 : x
  2. Step 2: Convert to fraction form
    112,518.40/168,801.90 = 33,640.60/x
  3. Step 3: Cross multiply
    112,518.40x = 168,801.90 × 33,640.60
  4. Step 4: Simplify right side
    112,518.40x = 5,678,597,197.14
  5. Step 5: Solve for x
    x = 5,678,597,197.14/112,518.40
  6. Step 6: Final answer
    x = 50,468.17

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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.