Home / 174,733.72-261,672.90-81,266.20

Finding the Fourth Proportional to 174,733.72, 261,672.90 and 81,266.20

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Solution

The fourth proportional to 174,733.72, 261,672.90 and 81,266.20 is: 121,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,733.72 : 261,672.90 = 81,266.20 : x
  2. Step 2: Convert to fraction form
    174,733.72/261,672.90 = 81,266.20/x
  3. Step 3: Cross multiply
    174,733.72x = 261,672.90 × 81,266.20
  4. Step 4: Simplify right side
    174,733.72x = 21,265,162,225.98
  5. Step 5: Solve for x
    x = 21,265,162,225.98/174,733.72
  6. Step 6: Final answer
    x = 121,700.39

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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.