Home / 188,604.36-260,274.06-103,727.16

Finding the Fourth Proportional to 188,604.36, 260,274.06 and 103,727.16

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Solution

The fourth proportional to 188,604.36, 260,274.06 and 103,727.16 is: 143,143.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,604.36 : 260,274.06 = 103,727.16 : x
  2. Step 2: Convert to fraction form
    188,604.36/260,274.06 = 103,727.16/x
  3. Step 3: Cross multiply
    188,604.36x = 260,274.06 × 103,727.16
  4. Step 4: Simplify right side
    188,604.36x = 26,997,489,065.47
  5. Step 5: Solve for x
    x = 26,997,489,065.47/188,604.36
  6. Step 6: Final answer
    x = 143,143.50

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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.