Home / 135,647.64-187,196.00-75,220.83

Finding the Fourth Proportional to 135,647.64, 187,196.00 and 75,220.83

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Solution

The fourth proportional to 135,647.64, 187,196.00 and 75,220.83 is: 103,805.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,647.64 : 187,196.00 = 75,220.83 : x
  2. Step 2: Convert to fraction form
    135,647.64/187,196.00 = 75,220.83/x
  3. Step 3: Cross multiply
    135,647.64x = 187,196.00 × 75,220.83
  4. Step 4: Simplify right side
    135,647.64x = 14,081,038,116.58
  5. Step 5: Solve for x
    x = 14,081,038,116.58/135,647.64
  6. Step 6: Final answer
    x = 103,805.99

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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.