Home / 136,022.51-204,068.32-79,910.06

Finding the Fourth Proportional to 136,022.51, 204,068.32 and 79,910.06

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Solution

The fourth proportional to 136,022.51, 204,068.32 and 79,910.06 is: 119,885.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,022.51 : 204,068.32 = 79,910.06 : x
  2. Step 2: Convert to fraction form
    136,022.51/204,068.32 = 79,910.06/x
  3. Step 3: Cross multiply
    136,022.51x = 204,068.32 × 79,910.06
  4. Step 4: Simplify right side
    136,022.51x = 16,307,111,695.30
  5. Step 5: Solve for x
    x = 16,307,111,695.30/136,022.51
  6. Step 6: Final answer
    x = 119,885.39

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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.