Home / 200,280.12-276,298.62-119,667.30

Finding the Fourth Proportional to 200,280.12, 276,298.62 and 119,667.30

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Solution

The fourth proportional to 200,280.12, 276,298.62 and 119,667.30 is: 165,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,280.12 : 276,298.62 = 119,667.30 : x
  2. Step 2: Convert to fraction form
    200,280.12/276,298.62 = 119,667.30/x
  3. Step 3: Cross multiply
    200,280.12x = 276,298.62 × 119,667.30
  4. Step 4: Simplify right side
    200,280.12x = 33,063,909,849.13
  5. Step 5: Solve for x
    x = 33,063,909,849.13/200,280.12
  6. Step 6: Final answer
    x = 165,088.33

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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.