Home / 131,716.64-197,607.36-38,221.12

Finding the Fourth Proportional to 131,716.64, 197,607.36 and 38,221.12

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Solution

The fourth proportional to 131,716.64, 197,607.36 and 38,221.12 is: 57,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,716.64 : 197,607.36 = 38,221.12 : x
  2. Step 2: Convert to fraction form
    131,716.64/197,607.36 = 38,221.12/x
  3. Step 3: Cross multiply
    131,716.64x = 197,607.36 × 38,221.12
  4. Step 4: Simplify right side
    131,716.64x = 7,552,774,619.44
  5. Step 5: Solve for x
    x = 7,552,774,619.44/131,716.64
  6. Step 6: Final answer
    x = 57,341.08

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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.