Home / 193,531.30-289,908.15-134,433.70

Finding the Fourth Proportional to 193,531.30, 289,908.15 and 134,433.70

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Solution

The fourth proportional to 193,531.30, 289,908.15 and 134,433.70 is: 201,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,531.30 : 289,908.15 = 134,433.70 : x
  2. Step 2: Convert to fraction form
    193,531.30/289,908.15 = 134,433.70/x
  3. Step 3: Cross multiply
    193,531.30x = 289,908.15 × 134,433.70
  4. Step 4: Simplify right side
    193,531.30x = 38,973,425,264.66
  5. Step 5: Solve for x
    x = 38,973,425,264.66/193,531.30
  6. Step 6: Final answer
    x = 201,380.48

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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.