Home / 219,967.36-303,555.20-119,365.36

Finding the Fourth Proportional to 219,967.36, 303,555.20 and 119,365.36

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Solution

The fourth proportional to 219,967.36, 303,555.20 and 119,365.36 is: 164,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,967.36 : 303,555.20 = 119,365.36 : x
  2. Step 2: Convert to fraction form
    219,967.36/303,555.20 = 119,365.36/x
  3. Step 3: Cross multiply
    219,967.36x = 303,555.20 × 119,365.36
  4. Step 4: Simplify right side
    219,967.36x = 36,233,975,727.87
  5. Step 5: Solve for x
    x = 36,233,975,727.87/219,967.36
  6. Step 6: Final answer
    x = 164,724.33

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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.