Home / 254,226.20-381,776.70-165,871.40

Finding the Fourth Proportional to 254,226.20, 381,776.70 and 165,871.40

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Solution

The fourth proportional to 254,226.20, 381,776.70 and 165,871.40 is: 249,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,226.20 : 381,776.70 = 165,871.40 : x
  2. Step 2: Convert to fraction form
    254,226.20/381,776.70 = 165,871.40/x
  3. Step 3: Cross multiply
    254,226.20x = 381,776.70 × 165,871.40
  4. Step 4: Simplify right side
    254,226.20x = 63,325,835,716.38
  5. Step 5: Solve for x
    x = 63,325,835,716.38/254,226.20
  6. Step 6: Final answer
    x = 249,092.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.