Home / 131,943.96-182,092.32-75,354.12

Finding the Fourth Proportional to 131,943.96, 182,092.32 and 75,354.12

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Solution

The fourth proportional to 131,943.96, 182,092.32 and 75,354.12 is: 103,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,943.96 : 182,092.32 = 75,354.12 : x
  2. Step 2: Convert to fraction form
    131,943.96/182,092.32 = 75,354.12/x
  3. Step 3: Cross multiply
    131,943.96x = 182,092.32 × 75,354.12
  4. Step 4: Simplify right side
    131,943.96x = 13,721,406,532.36
  5. Step 5: Solve for x
    x = 13,721,406,532.36/131,943.96
  6. Step 6: Final answer
    x = 103,994.20

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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.