Home / 149,530.24-224,285.64-79,449.04

Finding the Fourth Proportional to 149,530.24, 224,285.64 and 79,449.04

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Solution

The fourth proportional to 149,530.24, 224,285.64 and 79,449.04 is: 119,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,530.24 : 224,285.64 = 79,449.04 : x
  2. Step 2: Convert to fraction form
    149,530.24/224,285.64 = 79,449.04/x
  3. Step 3: Cross multiply
    149,530.24x = 224,285.64 × 79,449.04
  4. Step 4: Simplify right side
    149,530.24x = 17,819,278,783.79
  5. Step 5: Solve for x
    x = 17,819,278,783.79/149,530.24
  6. Step 6: Final answer
    x = 119,168.40

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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.