Home / 112,208.80-168,313.20-100,933.60

Finding the Fourth Proportional to 112,208.80, 168,313.20 and 100,933.60

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Solution

The fourth proportional to 112,208.80, 168,313.20 and 100,933.60 is: 151,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,208.80 : 168,313.20 = 100,933.60 : x
  2. Step 2: Convert to fraction form
    112,208.80/168,313.20 = 100,933.60/x
  3. Step 3: Cross multiply
    112,208.80x = 168,313.20 × 100,933.60
  4. Step 4: Simplify right side
    112,208.80x = 16,988,457,203.52
  5. Step 5: Solve for x
    x = 16,988,457,203.52/112,208.80
  6. Step 6: Final answer
    x = 151,400.40

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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.