Home / 134,321.56-185,364.10-73,898.36

Finding the Fourth Proportional to 134,321.56, 185,364.10 and 73,898.36

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Solution

The fourth proportional to 134,321.56, 185,364.10 and 73,898.36 is: 101,979.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,321.56 : 185,364.10 = 73,898.36 : x
  2. Step 2: Convert to fraction form
    134,321.56/185,364.10 = 73,898.36/x
  3. Step 3: Cross multiply
    134,321.56x = 185,364.10 × 73,898.36
  4. Step 4: Simplify right side
    134,321.56x = 13,698,102,992.88
  5. Step 5: Solve for x
    x = 13,698,102,992.88/134,321.56
  6. Step 6: Final answer
    x = 101,979.93

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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.