Home / 133,878.06-200,817.36-40,383.90

Finding the Fourth Proportional to 133,878.06, 200,817.36 and 40,383.90

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Solution

The fourth proportional to 133,878.06, 200,817.36 and 40,383.90 is: 60,575.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.06 : 200,817.36 = 40,383.90 : x
  2. Step 2: Convert to fraction form
    133,878.06/200,817.36 = 40,383.90/x
  3. Step 3: Cross multiply
    133,878.06x = 200,817.36 × 40,383.90
  4. Step 4: Simplify right side
    133,878.06x = 8,109,788,184.50
  5. Step 5: Solve for x
    x = 8,109,788,184.50/133,878.06
  6. Step 6: Final answer
    x = 60,575.93

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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.