Home / 264,077.40-396,139.92-74,539.86

Finding the Fourth Proportional to 264,077.40, 396,139.92 and 74,539.86

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Solution

The fourth proportional to 264,077.40, 396,139.92 and 74,539.86 is: 111,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,077.40 : 396,139.92 = 74,539.86 : x
  2. Step 2: Convert to fraction form
    264,077.40/396,139.92 = 74,539.86/x
  3. Step 3: Cross multiply
    264,077.40x = 396,139.92 × 74,539.86
  4. Step 4: Simplify right side
    264,077.40x = 29,528,214,177.21
  5. Step 5: Solve for x
    x = 29,528,214,177.21/264,077.40
  6. Step 6: Final answer
    x = 111,816.51

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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.