Home / 210,542.22-315,833.16-58,749.36

Finding the Fourth Proportional to 210,542.22, 315,833.16 and 58,749.36

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Solution

The fourth proportional to 210,542.22, 315,833.16 and 58,749.36 is: 88,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,542.22 : 315,833.16 = 58,749.36 : x
  2. Step 2: Convert to fraction form
    210,542.22/315,833.16 = 58,749.36/x
  3. Step 3: Cross multiply
    210,542.22x = 315,833.16 × 58,749.36
  4. Step 4: Simplify right side
    210,542.22x = 18,554,996,016.78
  5. Step 5: Solve for x
    x = 18,554,996,016.78/210,542.22
  6. Step 6: Final answer
    x = 88,129.57

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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.