Home / 272,326.05-408,492.05-82,817.24

Finding the Fourth Proportional to 272,326.05, 408,492.05 and 82,817.24

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Solution

The fourth proportional to 272,326.05, 408,492.05 and 82,817.24 is: 124,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,326.05 : 408,492.05 = 82,817.24 : x
  2. Step 2: Convert to fraction form
    272,326.05/408,492.05 = 82,817.24/x
  3. Step 3: Cross multiply
    272,326.05x = 408,492.05 × 82,817.24
  4. Step 4: Simplify right side
    272,326.05x = 33,830,181,686.40
  5. Step 5: Solve for x
    x = 33,830,181,686.40/272,326.05
  6. Step 6: Final answer
    x = 124,226.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.