Home / 115,917.55-173,712.30-101,811.40

Finding the Fourth Proportional to 115,917.55, 173,712.30 and 101,811.40

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Solution

The fourth proportional to 115,917.55, 173,712.30 and 101,811.40 is: 152,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,917.55 : 173,712.30 = 101,811.40 : x
  2. Step 2: Convert to fraction form
    115,917.55/173,712.30 = 101,811.40/x
  3. Step 3: Cross multiply
    115,917.55x = 173,712.30 × 101,811.40
  4. Step 4: Simplify right side
    115,917.55x = 17,685,892,460.22
  5. Step 5: Solve for x
    x = 17,685,892,460.22/115,917.55
  6. Step 6: Final answer
    x = 152,573.04

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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.