Home / 116,639.58-161,040.08-89,734.62

Finding the Fourth Proportional to 116,639.58, 161,040.08 and 89,734.62

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Solution

The fourth proportional to 116,639.58, 161,040.08 and 89,734.62 is: 123,893.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,639.58 : 161,040.08 = 89,734.62 : x
  2. Step 2: Convert to fraction form
    116,639.58/161,040.08 = 89,734.62/x
  3. Step 3: Cross multiply
    116,639.58x = 161,040.08 × 89,734.62
  4. Step 4: Simplify right side
    116,639.58x = 14,450,870,383.57
  5. Step 5: Solve for x
    x = 14,450,870,383.57/116,639.58
  6. Step 6: Final answer
    x = 123,893.37

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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.