Home / 119,664.62-165,129.74-65,946.63

Finding the Fourth Proportional to 119,664.62, 165,129.74 and 65,946.63

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Solution

The fourth proportional to 119,664.62, 165,129.74 and 65,946.63 is: 91,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.62 : 165,129.74 = 65,946.63 : x
  2. Step 2: Convert to fraction form
    119,664.62/165,129.74 = 65,946.63/x
  3. Step 3: Cross multiply
    119,664.62x = 165,129.74 × 65,946.63
  4. Step 4: Simplify right side
    119,664.62x = 10,889,749,536.04
  5. Step 5: Solve for x
    x = 10,889,749,536.04/119,664.62
  6. Step 6: Final answer
    x = 91,002.25

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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.