Home / 161,955.26-223,488.11-89,359.01

Finding the Fourth Proportional to 161,955.26, 223,488.11 and 89,359.01

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Solution

The fourth proportional to 161,955.26, 223,488.11 and 89,359.01 is: 123,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,955.26 : 223,488.11 = 89,359.01 : x
  2. Step 2: Convert to fraction form
    161,955.26/223,488.11 = 89,359.01/x
  3. Step 3: Cross multiply
    161,955.26x = 223,488.11 × 89,359.01
  4. Step 4: Simplify right side
    161,955.26x = 19,970,674,692.14
  5. Step 5: Solve for x
    x = 19,970,674,692.14/161,955.26
  6. Step 6: Final answer
    x = 123,309.83

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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.