Home / 260,905.11-360,221.77-200,367.13

Finding the Fourth Proportional to 260,905.11, 360,221.77 and 200,367.13

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Solution

The fourth proportional to 260,905.11, 360,221.77 and 200,367.13 is: 276,639.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,905.11 : 360,221.77 = 200,367.13 : x
  2. Step 2: Convert to fraction form
    260,905.11/360,221.77 = 200,367.13/x
  3. Step 3: Cross multiply
    260,905.11x = 360,221.77 × 200,367.13
  4. Step 4: Simplify right side
    260,905.11x = 72,176,601,717.50
  5. Step 5: Solve for x
    x = 72,176,601,717.50/260,905.11
  6. Step 6: Final answer
    x = 276,639.28

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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.