Home / 220,152.36-303,811.38-119,550.36

Finding the Fourth Proportional to 220,152.36, 303,811.38 and 119,550.36

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Solution

The fourth proportional to 220,152.36, 303,811.38 and 119,550.36 is: 164,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,152.36 : 303,811.38 = 119,550.36 : x
  2. Step 2: Convert to fraction form
    220,152.36/303,811.38 = 119,550.36/x
  3. Step 3: Cross multiply
    220,152.36x = 303,811.38 × 119,550.36
  4. Step 4: Simplify right side
    220,152.36x = 36,320,759,851.10
  5. Step 5: Solve for x
    x = 36,320,759,851.10/220,152.36
  6. Step 6: Final answer
    x = 164,980.11

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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.