Home / 119,057.29-164,309.14-65,351.40

Finding the Fourth Proportional to 119,057.29, 164,309.14 and 65,351.40

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Solution

The fourth proportional to 119,057.29, 164,309.14 and 65,351.40 is: 90,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.29 : 164,309.14 = 65,351.40 : x
  2. Step 2: Convert to fraction form
    119,057.29/164,309.14 = 65,351.40/x
  3. Step 3: Cross multiply
    119,057.29x = 164,309.14 × 65,351.40
  4. Step 4: Simplify right side
    119,057.29x = 10,737,832,168.42
  5. Step 5: Solve for x
    x = 10,737,832,168.42/119,057.29
  6. Step 6: Final answer
    x = 90,190.47

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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.