Home / 161,864.21-223,388.93-93,901.97

Finding the Fourth Proportional to 161,864.21, 223,388.93 and 93,901.97

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Solution

The fourth proportional to 161,864.21, 223,388.93 and 93,901.97 is: 129,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864.21 : 223,388.93 = 93,901.97 : x
  2. Step 2: Convert to fraction form
    161,864.21/223,388.93 = 93,901.97/x
  3. Step 3: Cross multiply
    161,864.21x = 223,388.93 × 93,901.97
  4. Step 4: Simplify right side
    161,864.21x = 20,976,659,721.00
  5. Step 5: Solve for x
    x = 20,976,659,721.00/161,864.21
  6. Step 6: Final answer
    x = 129,594.18

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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.