Home / 132,051.80-182,302.08-103,310.36

Finding the Fourth Proportional to 132,051.80, 182,302.08 and 103,310.36

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Solution

The fourth proportional to 132,051.80, 182,302.08 and 103,310.36 is: 142,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,051.80 : 182,302.08 = 103,310.36 : x
  2. Step 2: Convert to fraction form
    132,051.80/182,302.08 = 103,310.36/x
  3. Step 3: Cross multiply
    132,051.80x = 182,302.08 × 103,310.36
  4. Step 4: Simplify right side
    132,051.80x = 18,833,693,513.55
  5. Step 5: Solve for x
    x = 18,833,693,513.55/132,051.80
  6. Step 6: Final answer
    x = 142,623.53

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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.