Home / 115,624.60-173,321.70-53,186.20

Finding the Fourth Proportional to 115,624.60, 173,321.70 and 53,186.20

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Solution

The fourth proportional to 115,624.60, 173,321.70 and 53,186.20 is: 79,726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,624.60 : 173,321.70 = 53,186.20 : x
  2. Step 2: Convert to fraction form
    115,624.60/173,321.70 = 53,186.20/x
  3. Step 3: Cross multiply
    115,624.60x = 173,321.70 × 53,186.20
  4. Step 4: Simplify right side
    115,624.60x = 9,218,322,600.54
  5. Step 5: Solve for x
    x = 9,218,322,600.54/115,624.60
  6. Step 6: Final answer
    x = 79,726.31

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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.