Home / 143,441.42-197,837.94-92,462.45

Finding the Fourth Proportional to 143,441.42, 197,837.94 and 92,462.45

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Solution

The fourth proportional to 143,441.42, 197,837.94 and 92,462.45 is: 127,526.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,441.42 : 197,837.94 = 92,462.45 : x
  2. Step 2: Convert to fraction form
    143,441.42/197,837.94 = 92,462.45/x
  3. Step 3: Cross multiply
    143,441.42x = 197,837.94 × 92,462.45
  4. Step 4: Simplify right side
    143,441.42x = 18,292,579,992.90
  5. Step 5: Solve for x
    x = 18,292,579,992.90/143,441.42
  6. Step 6: Final answer
    x = 127,526.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.