Home / 119,946.64-165,540.40-99,767.92

Finding the Fourth Proportional to 119,946.64, 165,540.40 and 99,767.92

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Solution

The fourth proportional to 119,946.64, 165,540.40 and 99,767.92 is: 137,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,946.64 : 165,540.40 = 99,767.92 : x
  2. Step 2: Convert to fraction form
    119,946.64/165,540.40 = 99,767.92/x
  3. Step 3: Cross multiply
    119,946.64x = 165,540.40 × 99,767.92
  4. Step 4: Simplify right side
    119,946.64x = 16,515,621,383.97
  5. Step 5: Solve for x
    x = 16,515,621,383.97/119,946.64
  6. Step 6: Final answer
    x = 137,691.40

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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.