Home / 165,687.57-248,539.50-47,376.36

Finding the Fourth Proportional to 165,687.57, 248,539.50 and 47,376.36

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Solution

The fourth proportional to 165,687.57, 248,539.50 and 47,376.36 is: 71,066.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,687.57 : 248,539.50 = 47,376.36 : x
  2. Step 2: Convert to fraction form
    165,687.57/248,539.50 = 47,376.36/x
  3. Step 3: Cross multiply
    165,687.57x = 248,539.50 × 47,376.36
  4. Step 4: Simplify right side
    165,687.57x = 11,774,896,826.22
  5. Step 5: Solve for x
    x = 11,774,896,826.22/165,687.57
  6. Step 6: Final answer
    x = 71,066.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.