Home / 136,511.30-204,329.55-106,768.10

Finding the Fourth Proportional to 136,511.30, 204,329.55 and 106,768.10

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Solution

The fourth proportional to 136,511.30, 204,329.55 and 106,768.10 is: 159,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,511.30 : 204,329.55 = 106,768.10 : x
  2. Step 2: Convert to fraction form
    136,511.30/204,329.55 = 106,768.10/x
  3. Step 3: Cross multiply
    136,511.30x = 204,329.55 × 106,768.10
  4. Step 4: Simplify right side
    136,511.30x = 21,815,877,827.36
  5. Step 5: Solve for x
    x = 21,815,877,827.36/136,511.30
  6. Step 6: Final answer
    x = 159,810.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.