Home / 281,148.89-387,581.92-200,436.29

Finding the Fourth Proportional to 281,148.89, 387,581.92 and 200,436.29

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Solution

The fourth proportional to 281,148.89, 387,581.92 and 200,436.29 is: 276,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,148.89 : 387,581.92 = 200,436.29 : x
  2. Step 2: Convert to fraction form
    281,148.89/387,581.92 = 200,436.29/x
  3. Step 3: Cross multiply
    281,148.89x = 387,581.92 × 200,436.29
  4. Step 4: Simplify right side
    281,148.89x = 77,685,482,115.88
  5. Step 5: Solve for x
    x = 77,685,482,115.88/281,148.89
  6. Step 6: Final answer
    x = 276,314.38

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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.