Home / 119,104.68-164,357.01-65,389.35

Finding the Fourth Proportional to 119,104.68, 164,357.01 and 65,389.35

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Solution

The fourth proportional to 119,104.68, 164,357.01 and 65,389.35 is: 90,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,104.68 : 164,357.01 = 65,389.35 : x
  2. Step 2: Convert to fraction form
    119,104.68/164,357.01 = 65,389.35/x
  3. Step 3: Cross multiply
    119,104.68x = 164,357.01 × 65,389.35
  4. Step 4: Simplify right side
    119,104.68x = 10,747,198,051.84
  5. Step 5: Solve for x
    x = 10,747,198,051.84/119,104.68
  6. Step 6: Final answer
    x = 90,233.21

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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.