Home / 120,746.90-166,632.58-67,035.38

Finding the Fourth Proportional to 120,746.90, 166,632.58 and 67,035.38

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Solution

The fourth proportional to 120,746.90, 166,632.58 and 67,035.38 is: 92,509.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,746.90 : 166,632.58 = 67,035.38 : x
  2. Step 2: Convert to fraction form
    120,746.90/166,632.58 = 67,035.38/x
  3. Step 3: Cross multiply
    120,746.90x = 166,632.58 × 67,035.38
  4. Step 4: Simplify right side
    120,746.90x = 11,170,278,320.68
  5. Step 5: Solve for x
    x = 11,170,278,320.68/120,746.90
  6. Step 6: Final answer
    x = 92,509.86

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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.