Home / 161,271.79-222,584.16-93,279.31

Finding the Fourth Proportional to 161,271.79, 222,584.16 and 93,279.31

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Solution

The fourth proportional to 161,271.79, 222,584.16 and 93,279.31 is: 128,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,271.79 : 222,584.16 = 93,279.31 : x
  2. Step 2: Convert to fraction form
    161,271.79/222,584.16 = 93,279.31/x
  3. Step 3: Cross multiply
    161,271.79x = 222,584.16 × 93,279.31
  4. Step 4: Simplify right side
    161,271.79x = 20,762,496,861.73
  5. Step 5: Solve for x
    x = 20,762,496,861.73/161,271.79
  6. Step 6: Final answer
    x = 128,742.27

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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.