Home / 115,827.80-173,741.70-114,078.20

Finding the Fourth Proportional to 115,827.80, 173,741.70 and 114,078.20

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Solution

The fourth proportional to 115,827.80, 173,741.70 and 114,078.20 is: 171,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,827.80 : 173,741.70 = 114,078.20 : x
  2. Step 2: Convert to fraction form
    115,827.80/173,741.70 = 114,078.20/x
  3. Step 3: Cross multiply
    115,827.80x = 173,741.70 × 114,078.20
  4. Step 4: Simplify right side
    115,827.80x = 19,820,140,400.94
  5. Step 5: Solve for x
    x = 19,820,140,400.94/115,827.80
  6. Step 6: Final answer
    x = 171,117.30

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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.