Home / 115,609.23-173,411.43-53,279.73

Finding the Fourth Proportional to 115,609.23, 173,411.43 and 53,279.73

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Solution

The fourth proportional to 115,609.23, 173,411.43 and 53,279.73 is: 79,918.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.23 : 173,411.43 = 53,279.73 : x
  2. Step 2: Convert to fraction form
    115,609.23/173,411.43 = 53,279.73/x
  3. Step 3: Cross multiply
    115,609.23x = 173,411.43 × 53,279.73
  4. Step 4: Simplify right side
    115,609.23x = 9,239,314,169.31
  5. Step 5: Solve for x
    x = 9,239,314,169.31/115,609.23
  6. Step 6: Final answer
    x = 79,918.48

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1.5x scale

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.