Home / 115,443.20-173,158.32-31,202.12

Finding the Fourth Proportional to 115,443.20, 173,158.32 and 31,202.12

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Solution

The fourth proportional to 115,443.20, 173,158.32 and 31,202.12 is: 46,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443.20 : 173,158.32 = 31,202.12 : x
  2. Step 2: Convert to fraction form
    115,443.20/173,158.32 = 31,202.12/x
  3. Step 3: Cross multiply
    115,443.20x = 173,158.32 × 31,202.12
  4. Step 4: Simplify right side
    115,443.20x = 5,402,906,679.64
  5. Step 5: Solve for x
    x = 5,402,906,679.64/115,443.20
  6. Step 6: Final answer
    x = 46,801.43

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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.