Home / 134,819.43-186,049.36-74,392.62

Finding the Fourth Proportional to 134,819.43, 186,049.36 and 74,392.62

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Solution

The fourth proportional to 134,819.43, 186,049.36 and 74,392.62 is: 102,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,819.43 : 186,049.36 = 74,392.62 : x
  2. Step 2: Convert to fraction form
    134,819.43/186,049.36 = 74,392.62/x
  3. Step 3: Cross multiply
    134,819.43x = 186,049.36 × 74,392.62
  4. Step 4: Simplify right side
    134,819.43x = 13,840,699,339.72
  5. Step 5: Solve for x
    x = 13,840,699,339.72/134,819.43
  6. Step 6: Final answer
    x = 102,661.01

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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.