Home / 116,845.92-161,262.90-65,868.30

Finding the Fourth Proportional to 116,845.92, 161,262.90 and 65,868.30

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Solution

The fourth proportional to 116,845.92, 161,262.90 and 65,868.30 is: 90,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845.92 : 161,262.90 = 65,868.30 : x
  2. Step 2: Convert to fraction form
    116,845.92/161,262.90 = 65,868.30/x
  3. Step 3: Cross multiply
    116,845.92x = 161,262.90 × 65,868.30
  4. Step 4: Simplify right side
    116,845.92x = 10,622,113,076.07
  5. Step 5: Solve for x
    x = 10,622,113,076.07/116,845.92
  6. Step 6: Final answer
    x = 90,907.01

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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.