Home / 104,881.10-157,190.29-82,606.50

Finding the Fourth Proportional to 104,881.10, 157,190.29 and 82,606.50

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Solution

The fourth proportional to 104,881.10, 157,190.29 and 82,606.50 is: 123,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.10 : 157,190.29 = 82,606.50 : x
  2. Step 2: Convert to fraction form
    104,881.10/157,190.29 = 82,606.50/x
  3. Step 3: Cross multiply
    104,881.10x = 157,190.29 × 82,606.50
  4. Step 4: Simplify right side
    104,881.10x = 12,984,939,484.37
  5. Step 5: Solve for x
    x = 12,984,939,484.37/104,881.10
  6. Step 6: Final answer
    x = 123,806.29

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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.