Home / 389,179.16-537,076.76-217,095.87

Finding the Fourth Proportional to 389,179.16, 537,076.76 and 217,095.87

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Solution

The fourth proportional to 389,179.16, 537,076.76 and 217,095.87 is: 299,597.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,179.16 : 537,076.76 = 217,095.87 : x
  2. Step 2: Convert to fraction form
    389,179.16/537,076.76 = 217,095.87/x
  3. Step 3: Cross multiply
    389,179.16x = 537,076.76 × 217,095.87
  4. Step 4: Simplify right side
    389,179.16x = 116,597,145,383.50
  5. Step 5: Solve for x
    x = 116,597,145,383.50/389,179.16
  6. Step 6: Final answer
    x = 299,597.61

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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.