Home / 147,087.14-202,971.95-82,550.36

Finding the Fourth Proportional to 147,087.14, 202,971.95 and 82,550.36

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Solution

The fourth proportional to 147,087.14, 202,971.95 and 82,550.36 is: 113,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,087.14 : 202,971.95 = 82,550.36 : x
  2. Step 2: Convert to fraction form
    147,087.14/202,971.95 = 82,550.36/x
  3. Step 3: Cross multiply
    147,087.14x = 202,971.95 × 82,550.36
  4. Step 4: Simplify right side
    147,087.14x = 16,755,406,114.79
  5. Step 5: Solve for x
    x = 16,755,406,114.79/147,087.14
  6. Step 6: Final answer
    x = 113,914.83

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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.