Home / 170,399.82-255,677.49-87,352.14

Finding the Fourth Proportional to 170,399.82, 255,677.49 and 87,352.14

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Solution

The fourth proportional to 170,399.82, 255,677.49 and 87,352.14 is: 131,068.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,399.82 : 255,677.49 = 87,352.14 : x
  2. Step 2: Convert to fraction form
    170,399.82/255,677.49 = 87,352.14/x
  3. Step 3: Cross multiply
    170,399.82x = 255,677.49 × 87,352.14
  4. Step 4: Simplify right side
    170,399.82x = 22,333,975,901.33
  5. Step 5: Solve for x
    x = 22,333,975,901.33/170,399.82
  6. Step 6: Final answer
    x = 131,068.07

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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.