Home / 132,836.75-183,313.61-72,406.29

Finding the Fourth Proportional to 132,836.75, 183,313.61 and 72,406.29

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Solution

The fourth proportional to 132,836.75, 183,313.61 and 72,406.29 is: 99,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,836.75 : 183,313.61 = 72,406.29 : x
  2. Step 2: Convert to fraction form
    132,836.75/183,313.61 = 72,406.29/x
  3. Step 3: Cross multiply
    132,836.75x = 183,313.61 × 72,406.29
  4. Step 4: Simplify right side
    132,836.75x = 13,273,058,406.61
  5. Step 5: Solve for x
    x = 13,273,058,406.61/132,836.75
  6. Step 6: Final answer
    x = 99,920.08

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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.