Home / 132,941.29-183,461.14-72,511.91

Finding the Fourth Proportional to 132,941.29, 183,461.14 and 72,511.91

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Solution

The fourth proportional to 132,941.29, 183,461.14 and 72,511.91 is: 100,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.29 : 183,461.14 = 72,511.91 : x
  2. Step 2: Convert to fraction form
    132,941.29/183,461.14 = 72,511.91/x
  3. Step 3: Cross multiply
    132,941.29x = 183,461.14 × 72,511.91
  4. Step 4: Simplify right side
    132,941.29x = 13,303,117,949.55
  5. Step 5: Solve for x
    x = 13,303,117,949.55/132,941.29
  6. Step 6: Final answer
    x = 100,067.62

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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.