Home / 115,514.93-173,269.95-53,185.43

Finding the Fourth Proportional to 115,514.93, 173,269.95 and 53,185.43

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Solution

The fourth proportional to 115,514.93, 173,269.95 and 53,185.43 is: 79,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,514.93 : 173,269.95 = 53,185.43 : x
  2. Step 2: Convert to fraction form
    115,514.93/173,269.95 = 53,185.43/x
  3. Step 3: Cross multiply
    115,514.93x = 173,269.95 × 53,185.43
  4. Step 4: Simplify right side
    115,514.93x = 9,215,435,930.48
  5. Step 5: Solve for x
    x = 9,215,435,930.48/115,514.93
  6. Step 6: Final answer
    x = 79,777.02

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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.