Home / 281,048.20-421,572.30-94,059.70

Finding the Fourth Proportional to 281,048.20, 421,572.30 and 94,059.70

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Solution

The fourth proportional to 281,048.20, 421,572.30 and 94,059.70 is: 141,089.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,048.20 : 421,572.30 = 94,059.70 : x
  2. Step 2: Convert to fraction form
    281,048.20/421,572.30 = 94,059.70/x
  3. Step 3: Cross multiply
    281,048.20x = 421,572.30 × 94,059.70
  4. Step 4: Simplify right side
    281,048.20x = 39,652,964,066.31
  5. Step 5: Solve for x
    x = 39,652,964,066.31/281,048.20
  6. Step 6: Final answer
    x = 141,089.55

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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.