Home / 132,610.92-183,006.96-72,185.50

Finding the Fourth Proportional to 132,610.92, 183,006.96 and 72,185.50

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Solution

The fourth proportional to 132,610.92, 183,006.96 and 72,185.50 is: 99,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,610.92 : 183,006.96 = 72,185.50 : x
  2. Step 2: Convert to fraction form
    132,610.92/183,006.96 = 72,185.50/x
  3. Step 3: Cross multiply
    132,610.92x = 183,006.96 × 72,185.50
  4. Step 4: Simplify right side
    132,610.92x = 13,210,448,550.15
  5. Step 5: Solve for x
    x = 13,210,448,550.15/132,610.92
  6. Step 6: Final answer
    x = 99,618.11

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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.