Home / 281,111.76-421,579.35-94,079.52

Finding the Fourth Proportional to 281,111.76, 421,579.35 and 94,079.52

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Solution

The fourth proportional to 281,111.76, 421,579.35 and 94,079.52 is: 141,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,111.76 : 421,579.35 = 94,079.52 : x
  2. Step 2: Convert to fraction form
    281,111.76/421,579.35 = 94,079.52/x
  3. Step 3: Cross multiply
    281,111.76x = 421,579.35 × 94,079.52
  4. Step 4: Simplify right side
    281,111.76x = 39,661,982,889.91
  5. Step 5: Solve for x
    x = 39,661,982,889.91/281,111.76
  6. Step 6: Final answer
    x = 141,089.73

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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.