Home / 176,717.88-243,941.76-120,163.68

Finding the Fourth Proportional to 176,717.88, 243,941.76 and 120,163.68

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Solution

The fourth proportional to 176,717.88, 243,941.76 and 120,163.68 is: 165,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,717.88 : 243,941.76 = 120,163.68 : x
  2. Step 2: Convert to fraction form
    176,717.88/243,941.76 = 120,163.68/x
  3. Step 3: Cross multiply
    176,717.88x = 243,941.76 × 120,163.68
  4. Step 4: Simplify right side
    176,717.88x = 29,312,939,587.28
  5. Step 5: Solve for x
    x = 29,312,939,587.28/176,717.88
  6. Step 6: Final answer
    x = 165,874.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.