Home / 134,741.88-185,941.44-74,318.31

Finding the Fourth Proportional to 134,741.88, 185,941.44 and 74,318.31

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Solution

The fourth proportional to 134,741.88, 185,941.44 and 74,318.31 is: 102,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,741.88 : 185,941.44 = 74,318.31 : x
  2. Step 2: Convert to fraction form
    134,741.88/185,941.44 = 74,318.31/x
  3. Step 3: Cross multiply
    134,741.88x = 185,941.44 × 74,318.31
  4. Step 4: Simplify right side
    134,741.88x = 13,818,853,579.77
  5. Step 5: Solve for x
    x = 13,818,853,579.77/134,741.88
  6. Step 6: Final answer
    x = 102,557.97

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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.