Home / 200,605.14-276,808.59-120,016.62

Finding the Fourth Proportional to 200,605.14, 276,808.59 and 120,016.62

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Solution

The fourth proportional to 200,605.14, 276,808.59 and 120,016.62 is: 165,607.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,605.14 : 276,808.59 = 120,016.62 : x
  2. Step 2: Convert to fraction form
    200,605.14/276,808.59 = 120,016.62/x
  3. Step 3: Cross multiply
    200,605.14x = 276,808.59 × 120,016.62
  4. Step 4: Simplify right side
    200,605.14x = 33,221,631,358.77
  5. Step 5: Solve for x
    x = 33,221,631,358.77/200,605.14
  6. Step 6: Final answer
    x = 165,607.08

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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.