Home / 119,382.27-164,744.07-65,667.28

Finding the Fourth Proportional to 119,382.27, 164,744.07 and 65,667.28

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Solution

The fourth proportional to 119,382.27, 164,744.07 and 65,667.28 is: 90,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,382.27 : 164,744.07 = 65,667.28 : x
  2. Step 2: Convert to fraction form
    119,382.27/164,744.07 = 65,667.28/x
  3. Step 3: Cross multiply
    119,382.27x = 164,744.07 × 65,667.28
  4. Step 4: Simplify right side
    119,382.27x = 10,818,294,314.92
  5. Step 5: Solve for x
    x = 10,818,294,314.92/119,382.27
  6. Step 6: Final answer
    x = 90,618.93

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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.