Home / 161,291.90-222,558.39-92,370.65

Finding the Fourth Proportional to 161,291.90, 222,558.39 and 92,370.65

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Solution

The fourth proportional to 161,291.90, 222,558.39 and 92,370.65 is: 127,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,291.90 : 222,558.39 = 92,370.65 : x
  2. Step 2: Convert to fraction form
    161,291.90/222,558.39 = 92,370.65/x
  3. Step 3: Cross multiply
    161,291.90x = 222,558.39 × 92,370.65
  4. Step 4: Simplify right side
    161,291.90x = 20,557,862,034.46
  5. Step 5: Solve for x
    x = 20,557,862,034.46/161,291.90
  6. Step 6: Final answer
    x = 127,457.50

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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.