Home / 101,226.20-151,931.43-53,881.04

Finding the Fourth Proportional to 101,226.20, 151,931.43 and 53,881.04

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Solution

The fourth proportional to 101,226.20, 151,931.43 and 53,881.04 is: 80,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,226.20 : 151,931.43 = 53,881.04 : x
  2. Step 2: Convert to fraction form
    101,226.20/151,931.43 = 53,881.04/x
  3. Step 3: Cross multiply
    101,226.20x = 151,931.43 × 53,881.04
  4. Step 4: Simplify right side
    101,226.20x = 8,186,223,836.92
  5. Step 5: Solve for x
    x = 8,186,223,836.92/101,226.20
  6. Step 6: Final answer
    x = 80,870.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.