Home / 132,636.06-183,033.87-72,205.29

Finding the Fourth Proportional to 132,636.06, 183,033.87 and 72,205.29

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Solution

The fourth proportional to 132,636.06, 183,033.87 and 72,205.29 is: 99,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,636.06 : 183,033.87 = 72,205.29 : x
  2. Step 2: Convert to fraction form
    132,636.06/183,033.87 = 72,205.29/x
  3. Step 3: Cross multiply
    132,636.06x = 183,033.87 × 72,205.29
  4. Step 4: Simplify right side
    132,636.06x = 13,216,013,663.17
  5. Step 5: Solve for x
    x = 13,216,013,663.17/132,636.06
  6. Step 6: Final answer
    x = 99,641.18

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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.