Home / 156,567.43-234,749.09-66,563.47

Finding the Fourth Proportional to 156,567.43, 234,749.09 and 66,563.47

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Solution

The fourth proportional to 156,567.43, 234,749.09 and 66,563.47 is: 99,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,567.43 : 234,749.09 = 66,563.47 : x
  2. Step 2: Convert to fraction form
    156,567.43/234,749.09 = 66,563.47/x
  3. Step 3: Cross multiply
    156,567.43x = 234,749.09 × 66,563.47
  4. Step 4: Simplify right side
    156,567.43x = 15,625,713,676.93
  5. Step 5: Solve for x
    x = 15,625,713,676.93/156,567.43
  6. Step 6: Final answer
    x = 99,801.81

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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.