Home / 132,409.99-182,723.65-71,982.17

Finding the Fourth Proportional to 132,409.99, 182,723.65 and 71,982.17

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Solution

The fourth proportional to 132,409.99, 182,723.65 and 71,982.17 is: 99,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,409.99 : 182,723.65 = 71,982.17 : x
  2. Step 2: Convert to fraction form
    132,409.99/182,723.65 = 71,982.17/x
  3. Step 3: Cross multiply
    132,409.99x = 182,723.65 × 71,982.17
  4. Step 4: Simplify right side
    132,409.99x = 13,152,844,428.96
  5. Step 5: Solve for x
    x = 13,152,844,428.96/132,409.99
  6. Step 6: Final answer
    x = 99,334.23

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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.