Home / 115,440.40-173,176.80-36,546.40

Finding the Fourth Proportional to 115,440.40, 173,176.80 and 36,546.40

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Solution

The fourth proportional to 115,440.40, 173,176.80 and 36,546.40 is: 54,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,440.40 : 173,176.80 = 36,546.40 : x
  2. Step 2: Convert to fraction form
    115,440.40/173,176.80 = 36,546.40/x
  3. Step 3: Cross multiply
    115,440.40x = 173,176.80 × 36,546.40
  4. Step 4: Simplify right side
    115,440.40x = 6,328,988,603.52
  5. Step 5: Solve for x
    x = 6,328,988,603.52/115,440.40
  6. Step 6: Final answer
    x = 54,824.73

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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.