Home / 163,856.23-226,000.87-123,571.69

Finding the Fourth Proportional to 163,856.23, 226,000.87 and 123,571.69

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Solution

The fourth proportional to 163,856.23, 226,000.87 and 123,571.69 is: 170,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,856.23 : 226,000.87 = 123,571.69 : x
  2. Step 2: Convert to fraction form
    163,856.23/226,000.87 = 123,571.69/x
  3. Step 3: Cross multiply
    163,856.23x = 226,000.87 × 123,571.69
  4. Step 4: Simplify right side
    163,856.23x = 27,927,309,447.37
  5. Step 5: Solve for x
    x = 27,927,309,447.37/163,856.23
  6. Step 6: Final answer
    x = 170,437.89

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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.