Home / 281,243.10-421,864.65-94,260.70

Finding the Fourth Proportional to 281,243.10, 421,864.65 and 94,260.70

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Solution

The fourth proportional to 281,243.10, 421,864.65 and 94,260.70 is: 141,391.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,243.10 : 421,864.65 = 94,260.70 : x
  2. Step 2: Convert to fraction form
    281,243.10/421,864.65 = 94,260.70/x
  3. Step 3: Cross multiply
    281,243.10x = 421,864.65 × 94,260.70
  4. Step 4: Simplify right side
    281,243.10x = 39,765,257,214.26
  5. Step 5: Solve for x
    x = 39,765,257,214.26/281,243.10
  6. Step 6: Final answer
    x = 141,391.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.