Home / 137,034.37-189,099.73-76,592.98

Finding the Fourth Proportional to 137,034.37, 189,099.73 and 76,592.98

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Solution

The fourth proportional to 137,034.37, 189,099.73 and 76,592.98 is: 105,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,034.37 : 189,099.73 = 76,592.98 : x
  2. Step 2: Convert to fraction form
    137,034.37/189,099.73 = 76,592.98/x
  3. Step 3: Cross multiply
    137,034.37x = 189,099.73 × 76,592.98
  4. Step 4: Simplify right side
    137,034.37x = 14,483,711,837.90
  5. Step 5: Solve for x
    x = 14,483,711,837.90/137,034.37
  6. Step 6: Final answer
    x = 105,694.01

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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.