Home / 104,981.22-157,340.60-82,706.63

Finding the Fourth Proportional to 104,981.22, 157,340.60 and 82,706.63

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Solution

The fourth proportional to 104,981.22, 157,340.60 and 82,706.63 is: 123,956.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,981.22 : 157,340.60 = 82,706.63 : x
  2. Step 2: Convert to fraction form
    104,981.22/157,340.60 = 82,706.63/x
  3. Step 3: Cross multiply
    104,981.22x = 157,340.60 × 82,706.63
  4. Step 4: Simplify right side
    104,981.22x = 13,013,109,587.94
  5. Step 5: Solve for x
    x = 13,013,109,587.94/104,981.22
  6. Step 6: Final answer
    x = 123,956.55

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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.