Home / 119,290.50-164,617.38-68,301.54

Finding the Fourth Proportional to 119,290.50, 164,617.38 and 68,301.54

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Solution

The fourth proportional to 119,290.50, 164,617.38 and 68,301.54 is: 94,254.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,290.50 : 164,617.38 = 68,301.54 : x
  2. Step 2: Convert to fraction form
    119,290.50/164,617.38 = 68,301.54/x
  3. Step 3: Cross multiply
    119,290.50x = 164,617.38 × 68,301.54
  4. Step 4: Simplify right side
    119,290.50x = 11,243,620,564.77
  5. Step 5: Solve for x
    x = 11,243,620,564.77/119,290.50
  6. Step 6: Final answer
    x = 94,254.12

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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.