Home / 155,749.53-233,624.31-43,425.21

Finding the Fourth Proportional to 155,749.53, 233,624.31 and 43,425.21

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Solution

The fourth proportional to 155,749.53, 233,624.31 and 43,425.21 is: 65,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,749.53 : 233,624.31 = 43,425.21 : x
  2. Step 2: Convert to fraction form
    155,749.53/233,624.31 = 43,425.21/x
  3. Step 3: Cross multiply
    155,749.53x = 233,624.31 × 43,425.21
  4. Step 4: Simplify right side
    155,749.53x = 10,145,184,722.86
  5. Step 5: Solve for x
    x = 10,145,184,722.86/155,749.53
  6. Step 6: Final answer
    x = 65,137.82

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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.