Home / 361,272.12-498,555.46-200,137.64

Finding the Fourth Proportional to 361,272.12, 498,555.46 and 200,137.64

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Solution

The fourth proportional to 361,272.12, 498,555.46 and 200,137.64 is: 276,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,272.12 : 498,555.46 = 200,137.64 : x
  2. Step 2: Convert to fraction form
    361,272.12/498,555.46 = 200,137.64/x
  3. Step 3: Cross multiply
    361,272.12x = 498,555.46 × 200,137.64
  4. Step 4: Simplify right side
    361,272.12x = 99,779,713,173.51
  5. Step 5: Solve for x
    x = 99,779,713,173.51/361,272.12
  6. Step 6: Final answer
    x = 276,189.91

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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.