Home / 161,270.79-222,582.78-93,278.31

Finding the Fourth Proportional to 161,270.79, 222,582.78 and 93,278.31

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Solution

The fourth proportional to 161,270.79, 222,582.78 and 93,278.31 is: 128,740.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,270.79 : 222,582.78 = 93,278.31 : x
  2. Step 2: Convert to fraction form
    161,270.79/222,582.78 = 93,278.31/x
  3. Step 3: Cross multiply
    161,270.79x = 222,582.78 × 93,278.31
  4. Step 4: Simplify right side
    161,270.79x = 20,762,145,553.50
  5. Step 5: Solve for x
    x = 20,762,145,553.50/161,270.79
  6. Step 6: Final answer
    x = 128,740.89

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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.