Home / 295,207.18-407,390.61-161,071.18

Finding the Fourth Proportional to 295,207.18, 407,390.61 and 161,071.18

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Solution

The fourth proportional to 295,207.18, 407,390.61 and 161,071.18 is: 222,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,207.18 : 407,390.61 = 161,071.18 : x
  2. Step 2: Convert to fraction form
    295,207.18/407,390.61 = 161,071.18/x
  3. Step 3: Cross multiply
    295,207.18x = 407,390.61 × 161,071.18
  4. Step 4: Simplify right side
    295,207.18x = 65,618,886,273.62
  5. Step 5: Solve for x
    x = 65,618,886,273.62/295,207.18
  6. Step 6: Final answer
    x = 222,280.79

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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.