Home / 115,663.36-173,512.32-36,780.16

Finding the Fourth Proportional to 115,663.36, 173,512.32 and 36,780.16

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Solution

The fourth proportional to 115,663.36, 173,512.32 and 36,780.16 is: 55,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,663.36 : 173,512.32 = 36,780.16 : x
  2. Step 2: Convert to fraction form
    115,663.36/173,512.32 = 36,780.16/x
  3. Step 3: Cross multiply
    115,663.36x = 173,512.32 × 36,780.16
  4. Step 4: Simplify right side
    115,663.36x = 6,381,810,891.57
  5. Step 5: Solve for x
    x = 6,381,810,891.57/115,663.36
  6. Step 6: Final answer
    x = 55,175.73

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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.