Home / 132,468.08-182,805.12-75,118.28

Finding the Fourth Proportional to 132,468.08, 182,805.12 and 75,118.28

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Solution

The fourth proportional to 132,468.08, 182,805.12 and 75,118.28 is: 103,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,468.08 : 182,805.12 = 75,118.28 : x
  2. Step 2: Convert to fraction form
    132,468.08/182,805.12 = 75,118.28/x
  3. Step 3: Cross multiply
    132,468.08x = 182,805.12 × 75,118.28
  4. Step 4: Simplify right side
    132,468.08x = 13,732,006,189.59
  5. Step 5: Solve for x
    x = 13,732,006,189.59/132,468.08
  6. Step 6: Final answer
    x = 103,662.76

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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.