Home / 116,104.33-160,230.45-87,372.31

Finding the Fourth Proportional to 116,104.33, 160,230.45 and 87,372.31

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Solution

The fourth proportional to 116,104.33, 160,230.45 and 87,372.31 is: 120,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,104.33 : 160,230.45 = 87,372.31 : x
  2. Step 2: Convert to fraction form
    116,104.33/160,230.45 = 87,372.31/x
  3. Step 3: Cross multiply
    116,104.33x = 160,230.45 × 87,372.31
  4. Step 4: Simplify right side
    116,104.33x = 13,999,704,548.84
  5. Step 5: Solve for x
    x = 13,999,704,548.84/116,104.33
  6. Step 6: Final answer
    x = 120,578.66

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1.5x scale

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.