Home / 115,418.10-173,127.15-95,718.90

Finding the Fourth Proportional to 115,418.10, 173,127.15 and 95,718.90

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Solution

The fourth proportional to 115,418.10, 173,127.15 and 95,718.90 is: 143,578.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,418.10 : 173,127.15 = 95,718.90 : x
  2. Step 2: Convert to fraction form
    115,418.10/173,127.15 = 95,718.90/x
  3. Step 3: Cross multiply
    115,418.10x = 173,127.15 × 95,718.90
  4. Step 4: Simplify right side
    115,418.10x = 16,571,540,358.14
  5. Step 5: Solve for x
    x = 16,571,540,358.14/115,418.10
  6. Step 6: Final answer
    x = 143,578.35

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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.