Home / 236,946.32-355,481.70-85,158.72

Finding the Fourth Proportional to 236,946.32, 355,481.70 and 85,158.72

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Solution

The fourth proportional to 236,946.32, 355,481.70 and 85,158.72 is: 127,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,946.32 : 355,481.70 = 85,158.72 : x
  2. Step 2: Convert to fraction form
    236,946.32/355,481.70 = 85,158.72/x
  3. Step 3: Cross multiply
    236,946.32x = 355,481.70 × 85,158.72
  4. Step 4: Simplify right side
    236,946.32x = 30,272,366,555.42
  5. Step 5: Solve for x
    x = 30,272,366,555.42/236,946.32
  6. Step 6: Final answer
    x = 127,760.44

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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.