Home / 202,168.02-278,991.08-111,529.62

Finding the Fourth Proportional to 202,168.02, 278,991.08 and 111,529.62

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Solution

The fourth proportional to 202,168.02, 278,991.08 and 111,529.62 is: 153,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,168.02 : 278,991.08 = 111,529.62 : x
  2. Step 2: Convert to fraction form
    202,168.02/278,991.08 = 111,529.62/x
  3. Step 3: Cross multiply
    202,168.02x = 278,991.08 × 111,529.62
  4. Step 4: Simplify right side
    202,168.02x = 31,115,768,578.14
  5. Step 5: Solve for x
    x = 31,115,768,578.14/202,168.02
  6. Step 6: Final answer
    x = 153,910.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.