Home / 132,635.28-183,039.03-72,207.66

Finding the Fourth Proportional to 132,635.28, 183,039.03 and 72,207.66

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Solution

The fourth proportional to 132,635.28, 183,039.03 and 72,207.66 is: 99,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,635.28 : 183,039.03 = 72,207.66 : x
  2. Step 2: Convert to fraction form
    132,635.28/183,039.03 = 72,207.66/x
  3. Step 3: Cross multiply
    132,635.28x = 183,039.03 × 72,207.66
  4. Step 4: Simplify right side
    132,635.28x = 13,216,820,731.37
  5. Step 5: Solve for x
    x = 13,216,820,731.37/132,635.28
  6. Step 6: Final answer
    x = 99,647.85

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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.