Home / 116,366.10-160,661.25-89,458.98

Finding the Fourth Proportional to 116,366.10, 160,661.25 and 89,458.98

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Solution

The fourth proportional to 116,366.10, 160,661.25 and 89,458.98 is: 123,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,366.10 : 160,661.25 = 89,458.98 : x
  2. Step 2: Convert to fraction form
    116,366.10/160,661.25 = 89,458.98/x
  3. Step 3: Cross multiply
    116,366.10x = 160,661.25 × 89,458.98
  4. Step 4: Simplify right side
    116,366.10x = 14,372,591,550.53
  5. Step 5: Solve for x
    x = 14,372,591,550.53/116,366.10
  6. Step 6: Final answer
    x = 123,511.84

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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.