Home / 132,790.77-183,252.49-72,362.59

Finding the Fourth Proportional to 132,790.77, 183,252.49 and 72,362.59

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Solution

The fourth proportional to 132,790.77, 183,252.49 and 72,362.59 is: 99,861.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.77 : 183,252.49 = 72,362.59 : x
  2. Step 2: Convert to fraction form
    132,790.77/183,252.49 = 72,362.59/x
  3. Step 3: Cross multiply
    132,790.77x = 183,252.49 × 72,362.59
  4. Step 4: Simplify right side
    132,790.77x = 13,260,624,778.47
  5. Step 5: Solve for x
    x = 13,260,624,778.47/132,790.77
  6. Step 6: Final answer
    x = 99,861.05

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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.