Home / 237,238.13-355,628.61-87,396.57

Finding the Fourth Proportional to 237,238.13, 355,628.61 and 87,396.57

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Solution

The fourth proportional to 237,238.13, 355,628.61 and 87,396.57 is: 131,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,238.13 : 355,628.61 = 87,396.57 : x
  2. Step 2: Convert to fraction form
    237,238.13/355,628.61 = 87,396.57/x
  3. Step 3: Cross multiply
    237,238.13x = 355,628.61 × 87,396.57
  4. Step 4: Simplify right side
    237,238.13x = 31,080,720,707.87
  5. Step 5: Solve for x
    x = 31,080,720,707.87/237,238.13
  6. Step 6: Final answer
    x = 131,010.64

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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.