Home / 119,110.69-164,373.08-65,399.19

Finding the Fourth Proportional to 119,110.69, 164,373.08 and 65,399.19

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Solution

The fourth proportional to 119,110.69, 164,373.08 and 65,399.19 is: 90,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,110.69 : 164,373.08 = 65,399.19 : x
  2. Step 2: Convert to fraction form
    119,110.69/164,373.08 = 65,399.19/x
  3. Step 3: Cross multiply
    119,110.69x = 164,373.08 × 65,399.19
  4. Step 4: Simplify right side
    119,110.69x = 10,749,865,304.44
  5. Step 5: Solve for x
    x = 10,749,865,304.44/119,110.69
  6. Step 6: Final answer
    x = 90,251.05

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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.