Home / 200,891.04-277,238.30-120,303.12

Finding the Fourth Proportional to 200,891.04, 277,238.30 and 120,303.12

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Solution

The fourth proportional to 200,891.04, 277,238.30 and 120,303.12 is: 166,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,891.04 : 277,238.30 = 120,303.12 : x
  2. Step 2: Convert to fraction form
    200,891.04/277,238.30 = 120,303.12/x
  3. Step 3: Cross multiply
    200,891.04x = 277,238.30 × 120,303.12
  4. Step 4: Simplify right side
    200,891.04x = 33,352,632,473.50
  5. Step 5: Solve for x
    x = 33,352,632,473.50/200,891.04
  6. Step 6: Final answer
    x = 166,023.49

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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.