Home / 351,905.69-527,747.06-127,236.40

Finding the Fourth Proportional to 351,905.69, 527,747.06 and 127,236.40

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Solution

The fourth proportional to 351,905.69, 527,747.06 and 127,236.40 is: 190,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,905.69 : 527,747.06 = 127,236.40 : x
  2. Step 2: Convert to fraction form
    351,905.69/527,747.06 = 127,236.40/x
  3. Step 3: Cross multiply
    351,905.69x = 527,747.06 × 127,236.40
  4. Step 4: Simplify right side
    351,905.69x = 67,148,635,023.71
  5. Step 5: Solve for x
    x = 67,148,635,023.71/351,905.69
  6. Step 6: Final answer
    x = 190,814.29

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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.