Home / 195,333.75-269,562.20-105,909.75

Finding the Fourth Proportional to 195,333.75, 269,562.20 and 105,909.75

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Solution

The fourth proportional to 195,333.75, 269,562.20 and 105,909.75 is: 146,156.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,333.75 : 269,562.20 = 105,909.75 : x
  2. Step 2: Convert to fraction form
    195,333.75/269,562.20 = 105,909.75/x
  3. Step 3: Cross multiply
    195,333.75x = 269,562.20 × 105,909.75
  4. Step 4: Simplify right side
    195,333.75x = 28,549,264,681.90
  5. Step 5: Solve for x
    x = 28,549,264,681.90/195,333.75
  6. Step 6: Final answer
    x = 146,156.33

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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.