Home / 112,888.62-169,186.50-84,585.60

Finding the Fourth Proportional to 112,888.62, 169,186.50 and 84,585.60

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Solution

The fourth proportional to 112,888.62, 169,186.50 and 84,585.60 is: 126,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888.62 : 169,186.50 = 84,585.60 : x
  2. Step 2: Convert to fraction form
    112,888.62/169,186.50 = 84,585.60/x
  3. Step 3: Cross multiply
    112,888.62x = 169,186.50 × 84,585.60
  4. Step 4: Simplify right side
    112,888.62x = 14,310,741,614.40
  5. Step 5: Solve for x
    x = 14,310,741,614.40/112,888.62
  6. Step 6: Final answer
    x = 126,768.68

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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.