Home / 272,690.13-409,053.89-92,702.33

Finding the Fourth Proportional to 272,690.13, 409,053.89 and 92,702.33

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Solution

The fourth proportional to 272,690.13, 409,053.89 and 92,702.33 is: 139,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,690.13 : 409,053.89 = 92,702.33 : x
  2. Step 2: Convert to fraction form
    272,690.13/409,053.89 = 92,702.33/x
  3. Step 3: Cross multiply
    272,690.13x = 409,053.89 × 92,702.33
  4. Step 4: Simplify right side
    272,690.13x = 37,920,246,885.05
  5. Step 5: Solve for x
    x = 37,920,246,885.05/272,690.13
  6. Step 6: Final answer
    x = 139,059.84

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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.