Home / 112,288.80-168,435.90-33,405.60

Finding the Fourth Proportional to 112,288.80, 168,435.90 and 33,405.60

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Solution

The fourth proportional to 112,288.80, 168,435.90 and 33,405.60 is: 50,109.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.80 : 168,435.90 = 33,405.60 : x
  2. Step 2: Convert to fraction form
    112,288.80/168,435.90 = 33,405.60/x
  3. Step 3: Cross multiply
    112,288.80x = 168,435.90 × 33,405.60
  4. Step 4: Simplify right side
    112,288.80x = 5,626,702,301.04
  5. Step 5: Solve for x
    x = 5,626,702,301.04/112,288.80
  6. Step 6: Final answer
    x = 50,109.20

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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.