Home / 192,941.12-289,510.40-91,853.43

Finding the Fourth Proportional to 192,941.12, 289,510.40 and 91,853.43

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Solution

The fourth proportional to 192,941.12, 289,510.40 and 91,853.43 is: 137,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,941.12 : 289,510.40 = 91,853.43 : x
  2. Step 2: Convert to fraction form
    192,941.12/289,510.40 = 91,853.43/x
  3. Step 3: Cross multiply
    192,941.12x = 289,510.40 × 91,853.43
  4. Step 4: Simplify right side
    192,941.12x = 26,592,522,404.64
  5. Step 5: Solve for x
    x = 26,592,522,404.64/192,941.12
  6. Step 6: Final answer
    x = 137,827.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.