Home / 137,357.44-189,551.20-76,927.84

Finding the Fourth Proportional to 137,357.44, 189,551.20 and 76,927.84

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Solution

The fourth proportional to 137,357.44, 189,551.20 and 76,927.84 is: 106,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,357.44 : 189,551.20 = 76,927.84 : x
  2. Step 2: Convert to fraction form
    137,357.44/189,551.20 = 76,927.84/x
  3. Step 3: Cross multiply
    137,357.44x = 189,551.20 × 76,927.84
  4. Step 4: Simplify right side
    137,357.44x = 14,581,764,385.41
  5. Step 5: Solve for x
    x = 14,581,764,385.41/137,357.44
  6. Step 6: Final answer
    x = 106,159.26

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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.