Home / 168,749.28-253,141.20-63,656.64

Finding the Fourth Proportional to 168,749.28, 253,141.20 and 63,656.64

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Solution

The fourth proportional to 168,749.28, 253,141.20 and 63,656.64 is: 95,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,749.28 : 253,141.20 = 63,656.64 : x
  2. Step 2: Convert to fraction form
    168,749.28/253,141.20 = 63,656.64/x
  3. Step 3: Cross multiply
    168,749.28x = 253,141.20 × 63,656.64
  4. Step 4: Simplify right side
    168,749.28x = 16,114,118,237.57
  5. Step 5: Solve for x
    x = 16,114,118,237.57/168,749.28
  6. Step 6: Final answer
    x = 95,491.48

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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.