Home / 119,698.74-165,244.05-92,780.82

Finding the Fourth Proportional to 119,698.74, 165,244.05 and 92,780.82

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Solution

The fourth proportional to 119,698.74, 165,244.05 and 92,780.82 is: 128,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,698.74 : 165,244.05 = 92,780.82 : x
  2. Step 2: Convert to fraction form
    119,698.74/165,244.05 = 92,780.82/x
  3. Step 3: Cross multiply
    119,698.74x = 165,244.05 × 92,780.82
  4. Step 4: Simplify right side
    119,698.74x = 15,331,478,459.12
  5. Step 5: Solve for x
    x = 15,331,478,459.12/119,698.74
  6. Step 6: Final answer
    x = 128,083.88

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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.