Home / 107,685.60-162,246.24-99,183.84

Finding the Fourth Proportional to 107,685.60, 162,246.24 and 99,183.84

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Solution

The fourth proportional to 107,685.60, 162,246.24 and 99,183.84 is: 149,436.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,685.60 : 162,246.24 = 99,183.84 : x
  2. Step 2: Convert to fraction form
    107,685.60/162,246.24 = 99,183.84/x
  3. Step 3: Cross multiply
    107,685.60x = 162,246.24 × 99,183.84
  4. Step 4: Simplify right side
    107,685.60x = 16,092,205,108.76
  5. Step 5: Solve for x
    x = 16,092,205,108.76/107,685.60
  6. Step 6: Final answer
    x = 149,436.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.