Home / 132,238.23-182,509.37-74,880.51

Finding the Fourth Proportional to 132,238.23, 182,509.37 and 74,880.51

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Solution

The fourth proportional to 132,238.23, 182,509.37 and 74,880.51 is: 103,346.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,238.23 : 182,509.37 = 74,880.51 : x
  2. Step 2: Convert to fraction form
    132,238.23/182,509.37 = 74,880.51/x
  3. Step 3: Cross multiply
    132,238.23x = 182,509.37 × 74,880.51
  4. Step 4: Simplify right side
    132,238.23x = 13,666,394,705.38
  5. Step 5: Solve for x
    x = 13,666,394,705.38/132,238.23
  6. Step 6: Final answer
    x = 103,346.78

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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.