Home / 236,857.20-355,487.40-96,716.40

Finding the Fourth Proportional to 236,857.20, 355,487.40 and 96,716.40

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Solution

The fourth proportional to 236,857.20, 355,487.40 and 96,716.40 is: 145,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,857.20 : 355,487.40 = 96,716.40 : x
  2. Step 2: Convert to fraction form
    236,857.20/355,487.40 = 96,716.40/x
  3. Step 3: Cross multiply
    236,857.20x = 355,487.40 × 96,716.40
  4. Step 4: Simplify right side
    236,857.20x = 34,381,461,573.36
  5. Step 5: Solve for x
    x = 34,381,461,573.36/236,857.20
  6. Step 6: Final answer
    x = 145,156.92

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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.