Home / 281,147.89-387,580.54-200,435.29

Finding the Fourth Proportional to 281,147.89, 387,580.54 and 200,435.29

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Solution

The fourth proportional to 281,147.89, 387,580.54 and 200,435.29 is: 276,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,147.89 : 387,580.54 = 200,435.29 : x
  2. Step 2: Convert to fraction form
    281,147.89/387,580.54 = 200,435.29/x
  3. Step 3: Cross multiply
    281,147.89x = 387,580.54 × 200,435.29
  4. Step 4: Simplify right side
    281,147.89x = 77,684,815,995.35
  5. Step 5: Solve for x
    x = 77,684,815,995.35/281,147.89
  6. Step 6: Final answer
    x = 276,313.00

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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.