Home / 120,829.48-166,757.76-73,109.14

Finding the Fourth Proportional to 120,829.48, 166,757.76 and 73,109.14

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Solution

The fourth proportional to 120,829.48, 166,757.76 and 73,109.14 is: 100,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,829.48 : 166,757.76 = 73,109.14 : x
  2. Step 2: Convert to fraction form
    120,829.48/166,757.76 = 73,109.14/x
  3. Step 3: Cross multiply
    120,829.48x = 166,757.76 × 73,109.14
  4. Step 4: Simplify right side
    120,829.48x = 12,191,516,421.93
  5. Step 5: Solve for x
    x = 12,191,516,421.93/120,829.48
  6. Step 6: Final answer
    x = 100,898.53

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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.