Home / 132,326.72-182,611.92-71,897.60

Finding the Fourth Proportional to 132,326.72, 182,611.92 and 71,897.60

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Solution

The fourth proportional to 132,326.72, 182,611.92 and 71,897.60 is: 99,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.72 : 182,611.92 = 71,897.60 : x
  2. Step 2: Convert to fraction form
    132,326.72/182,611.92 = 71,897.60/x
  3. Step 3: Cross multiply
    132,326.72x = 182,611.92 × 71,897.60
  4. Step 4: Simplify right side
    132,326.72x = 13,129,358,779.39
  5. Step 5: Solve for x
    x = 13,129,358,779.39/132,326.72
  6. Step 6: Final answer
    x = 99,219.26

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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.