Home / 119,009.85-164,232.93-65,293.48

Finding the Fourth Proportional to 119,009.85, 164,232.93 and 65,293.48

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Solution

The fourth proportional to 119,009.85, 164,232.93 and 65,293.48 is: 90,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,009.85 : 164,232.93 = 65,293.48 : x
  2. Step 2: Convert to fraction form
    119,009.85/164,232.93 = 65,293.48/x
  3. Step 3: Cross multiply
    119,009.85x = 164,232.93 × 65,293.48
  4. Step 4: Simplify right side
    119,009.85x = 10,723,339,530.30
  5. Step 5: Solve for x
    x = 10,723,339,530.30/119,009.85
  6. Step 6: Final answer
    x = 90,104.64

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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.