Home / 119,927.88-165,497.82-65,478.18

Finding the Fourth Proportional to 119,927.88, 165,497.82 and 65,478.18

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Solution

The fourth proportional to 119,927.88, 165,497.82 and 65,478.18 is: 90,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,927.88 : 165,497.82 = 65,478.18 : x
  2. Step 2: Convert to fraction form
    119,927.88/165,497.82 = 65,478.18/x
  3. Step 3: Cross multiply
    119,927.88x = 165,497.82 × 65,478.18
  4. Step 4: Simplify right side
    119,927.88x = 10,836,496,047.57
  5. Step 5: Solve for x
    x = 10,836,496,047.57/119,927.88
  6. Step 6: Final answer
    x = 90,358.44

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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.