Home / 215,774.64-323,661.96-75,573.36

Finding the Fourth Proportional to 215,774.64, 323,661.96 and 75,573.36

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Solution

The fourth proportional to 215,774.64, 323,661.96 and 75,573.36 is: 113,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,774.64 : 323,661.96 = 75,573.36 : x
  2. Step 2: Convert to fraction form
    215,774.64/323,661.96 = 75,573.36/x
  3. Step 3: Cross multiply
    215,774.64x = 323,661.96 × 75,573.36
  4. Step 4: Simplify right side
    215,774.64x = 24,460,221,821.39
  5. Step 5: Solve for x
    x = 24,460,221,821.39/215,774.64
  6. Step 6: Final answer
    x = 113,360.04

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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.