Home / 132,567.18-182,939.03-72,136.43

Finding the Fourth Proportional to 132,567.18, 182,939.03 and 72,136.43

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Solution

The fourth proportional to 132,567.18, 182,939.03 and 72,136.43 is: 99,546.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,567.18 : 182,939.03 = 72,136.43 : x
  2. Step 2: Convert to fraction form
    132,567.18/182,939.03 = 72,136.43/x
  3. Step 3: Cross multiply
    132,567.18x = 182,939.03 × 72,136.43
  4. Step 4: Simplify right side
    132,567.18x = 13,196,567,256.49
  5. Step 5: Solve for x
    x = 13,196,567,256.49/132,567.18
  6. Step 6: Final answer
    x = 99,546.26

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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.