Home / 119,039.14-164,276.49-65,321.02

Finding the Fourth Proportional to 119,039.14, 164,276.49 and 65,321.02

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Solution

The fourth proportional to 119,039.14, 164,276.49 and 65,321.02 is: 90,144.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,039.14 : 164,276.49 = 65,321.02 : x
  2. Step 2: Convert to fraction form
    119,039.14/164,276.49 = 65,321.02/x
  3. Step 3: Cross multiply
    119,039.14x = 164,276.49 × 65,321.02
  4. Step 4: Simplify right side
    119,039.14x = 10,730,707,888.82
  5. Step 5: Solve for x
    x = 10,730,707,888.82/119,039.14
  6. Step 6: Final answer
    x = 90,144.37

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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.