Home / 116,253.21-160,438.70-65,269.29

Finding the Fourth Proportional to 116,253.21, 160,438.70 and 65,269.29

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Solution

The fourth proportional to 116,253.21, 160,438.70 and 65,269.29 is: 90,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,253.21 : 160,438.70 = 65,269.29 : x
  2. Step 2: Convert to fraction form
    116,253.21/160,438.70 = 65,269.29/x
  3. Step 3: Cross multiply
    116,253.21x = 160,438.70 × 65,269.29
  4. Step 4: Simplify right side
    116,253.21x = 10,471,720,037.52
  5. Step 5: Solve for x
    x = 10,471,720,037.52/116,253.21
  6. Step 6: Final answer
    x = 90,076.82

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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.