Home / 200,295.51-276,407.77-109,651.19

Finding the Fourth Proportional to 200,295.51, 276,407.77 and 109,651.19

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Solution

The fourth proportional to 200,295.51, 276,407.77 and 109,651.19 is: 151,318.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,295.51 : 276,407.77 = 109,651.19 : x
  2. Step 2: Convert to fraction form
    200,295.51/276,407.77 = 109,651.19/x
  3. Step 3: Cross multiply
    200,295.51x = 276,407.77 × 109,651.19
  4. Step 4: Simplify right side
    200,295.51x = 30,308,440,905.75
  5. Step 5: Solve for x
    x = 30,308,440,905.75/200,295.51
  6. Step 6: Final answer
    x = 151,318.62

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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.