Home / 195,773.49-270,133.65-115,217.91

Finding the Fourth Proportional to 195,773.49, 270,133.65 and 115,217.91

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Solution

The fourth proportional to 195,773.49, 270,133.65 and 115,217.91 is: 158,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,773.49 : 270,133.65 = 115,217.91 : x
  2. Step 2: Convert to fraction form
    195,773.49/270,133.65 = 115,217.91/x
  3. Step 3: Cross multiply
    195,773.49x = 270,133.65 × 115,217.91
  4. Step 4: Simplify right side
    195,773.49x = 31,124,234,573.67
  5. Step 5: Solve for x
    x = 31,124,234,573.67/195,773.49
  6. Step 6: Final answer
    x = 158,980.84

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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.