Home / 189,693.26-284,680.14-89,853.62

Finding the Fourth Proportional to 189,693.26, 284,680.14 and 89,853.62

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Solution

The fourth proportional to 189,693.26, 284,680.14 and 89,853.62 is: 134,846.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,693.26 : 284,680.14 = 89,853.62 : x
  2. Step 2: Convert to fraction form
    189,693.26/284,680.14 = 89,853.62/x
  3. Step 3: Cross multiply
    189,693.26x = 284,680.14 × 89,853.62
  4. Step 4: Simplify right side
    189,693.26x = 25,579,541,121.11
  5. Step 5: Solve for x
    x = 25,579,541,121.11/189,693.26
  6. Step 6: Final answer
    x = 134,846.86

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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.