Home / 353,364.23-487,640.22-200,432.18

Finding the Fourth Proportional to 353,364.23, 487,640.22 and 200,432.18

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Solution

The fourth proportional to 353,364.23, 487,640.22 and 200,432.18 is: 276,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,364.23 : 487,640.22 = 200,432.18 : x
  2. Step 2: Convert to fraction form
    353,364.23/487,640.22 = 200,432.18/x
  3. Step 3: Cross multiply
    353,364.23x = 487,640.22 × 200,432.18
  4. Step 4: Simplify right side
    353,364.23x = 97,738,789,912.08
  5. Step 5: Solve for x
    x = 97,738,789,912.08/353,364.23
  6. Step 6: Final answer
    x = 276,595.03

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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.