Home / 161,984.63-223,536.96-89,388.08

Finding the Fourth Proportional to 161,984.63, 223,536.96 and 89,388.08

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Solution

The fourth proportional to 161,984.63, 223,536.96 and 89,388.08 is: 123,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,984.63 : 223,536.96 = 89,388.08 : x
  2. Step 2: Convert to fraction form
    161,984.63/223,536.96 = 89,388.08/x
  3. Step 3: Cross multiply
    161,984.63x = 223,536.96 × 89,388.08
  4. Step 4: Simplify right side
    161,984.63x = 19,981,538,545.75
  5. Step 5: Solve for x
    x = 19,981,538,545.75/161,984.63
  6. Step 6: Final answer
    x = 123,354.54

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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.