Home / 168,166.45-231,938.49-107,742.76

Finding the Fourth Proportional to 168,166.45, 231,938.49 and 107,742.76

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Solution

The fourth proportional to 168,166.45, 231,938.49 and 107,742.76 is: 148,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,166.45 : 231,938.49 = 107,742.76 : x
  2. Step 2: Convert to fraction form
    168,166.45/231,938.49 = 107,742.76/x
  3. Step 3: Cross multiply
    168,166.45x = 231,938.49 × 107,742.76
  4. Step 4: Simplify right side
    168,166.45x = 24,989,692,280.97
  5. Step 5: Solve for x
    x = 24,989,692,280.97/168,166.45
  6. Step 6: Final answer
    x = 148,600.93

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1.5x scale

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.