Home / 336,720.28-505,068.12-100,056.81

Finding the Fourth Proportional to 336,720.28, 505,068.12 and 100,056.81

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Solution

The fourth proportional to 336,720.28, 505,068.12 and 100,056.81 is: 150,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,720.28 : 505,068.12 = 100,056.81 : x
  2. Step 2: Convert to fraction form
    336,720.28/505,068.12 = 100,056.81/x
  3. Step 3: Cross multiply
    336,720.28x = 505,068.12 × 100,056.81
  4. Step 4: Simplify right side
    336,720.28x = 50,535,505,487.20
  5. Step 5: Solve for x
    x = 50,535,505,487.20/336,720.28
  6. Step 6: Final answer
    x = 150,081.56

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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.