Home / 161,984.16-223,538.40-89,385.36

Finding the Fourth Proportional to 161,984.16, 223,538.40 and 89,385.36

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Solution

The fourth proportional to 161,984.16, 223,538.40 and 89,385.36 is: 123,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,984.16 : 223,538.40 = 89,385.36 : x
  2. Step 2: Convert to fraction form
    161,984.16/223,538.40 = 89,385.36/x
  3. Step 3: Cross multiply
    161,984.16x = 223,538.40 × 89,385.36
  4. Step 4: Simplify right side
    161,984.16x = 19,981,060,357.82
  5. Step 5: Solve for x
    x = 19,981,060,357.82/161,984.16
  6. Step 6: Final answer
    x = 123,351.94

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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.